DIGITAL KIT / ONE-TIME PURCHASE
API Testing Starter Kit
A compact first test pass: guide, editable cases and request examples.
$10USD · one time
View & buy on WhopContents & requirements ↗DIGITAL PRODUCTS / ONE-TIME PURCHASES
Learn something.
Put it to work.
Choose a practical guide, editable template or learning kit. One-time downloads are separate from annual rental-platform subscriptions.
START WITH A FOCUSED KIT
Practical learning.
Yours to keep.
These kits are one-time purchases. Whop handles checkout and access to their product files. Looking for the rental platform? Explore annual subscriptions.
DIGITAL KIT / ONE-TIME PURCHASE
API Foundations Lab
Read HTTP requests, work through exercises and call a local practice API.
$79USD · one time
View & buy on WhopContents & requirements ↗
DIGITAL KIT / ONE-TIME PURCHASE
Small Team IT Operations Kit
Organize recurring support work with runbooks and editable working resources.
$130USD · one time
View & buy on WhopContents & requirements ↗
DIGITAL KIT / ONE-TIME PURCHASE
AI Workflow Toolkit for Small Business
Define, review and document bounded AI-assisted business tasks.
$199USD · one time
View & buy on WhopContents & requirements ↗NORTHMARK / HOSTINGAirbnb Hosting
PlaybookProfessional Guide & Toolkit
PlaybookProfessional Guide & Toolkit
HOSTING GUIDE / ONE-TIME PURCHASE
Airbnb Hosting Playbook
Professional Guide & Toolkit. Review the full product description and included resources on Whop before purchasing.
$463USD · one time
View product on WhopPrices in USD. Review the contents, software requirements, taxes and delivery details on the selected checkout. Preview actual guide and template excerpts.
Browse all courses and platform collections
Looking for an existing Etsy, Kajabi, Stan, Lemon Squeezy, NanoCorp or Contra offer? The original collections and checkout links are preserved below.
NORTHMARK / RENTAL INVESTING COURSES
Build your knowledge.
Choose your next step.
English · USA & Canada · One-time purchases
Five self-study packages, from investment foundations to a complete rental-business library. Each higher package includes the courses in the packages before it; choose one that fits your learning goals.
Buy directly through our secure Lemon Squeezy checkout, or choose Etsy.
Browse all five on Etsy
PACKAGE 01 / 1 COURSE
Investment Foundations
Work through 20 checks before investing in a rental property, from your goals and cash buffer to due diligence and an exit plan.
- 1 course guide · 30 pages
- 1 fillable workbook · 28 pages
- 20 narrated video lessons · 44m 49s
- English captions, transcripts and worked cases
$76 USD / one time
Buy & downloadSecure checkout by Lemon Squeezy
Prefer Etsy? Buy this package on Etsy
PACKAGE 02 / 2 COURSES
Investment & Market Research
Add a structured market-research course: compare neighborhoods, demand, competing rentals and the evidence behind your assumptions.
- 2 course guides · 60 pages
- 2 fillable workbooks · 56 pages
- 40 narrated video lessons · 1h 25m 12s
- English captions, transcripts and worked cases
$178 USD / one time
Buy & downloadSecure checkout by Lemon Squeezy
Prefer Etsy? Buy this package on Etsy
PACKAGE 03 / 3 COURSES
Short-Term Rental Launch
Bring investment and market research into an Airbnb and short-term rental launch plan, with 20 overlooked operating decisions.
- 3 course guides · 90 pages
- 3 fillable workbooks · 84 pages
- 60 narrated video lessons · 2h 4m 10s
- English captions, transcripts and worked cases
$499 USD / one time
Buy & downloadSecure checkout by Lemon Squeezy
Prefer Etsy? Buy this package on Etsy
PACKAGE 04 / 4 COURSES
Short-Term Rental Furnishing
Add a room-by-room approach to furnishing apartments and rooms for short-term stays, covering budgets, durability and guest use.
- 4 course guides · 120 pages
- 4 fillable workbooks · 112 pages
- 80 narrated video lessons · 2h 44m 29s
- English captions, transcripts and worked cases
$740 USD / one time
Buy & downloadSecure checkout by Lemon Squeezy
Prefer Etsy? Buy this package on Etsy
PACKAGE 05 / 5 COURSES
Complete Rental Business Library
Study the full five-course sequence, including furnishing for long-term rentals, with editable Excel tools and operating templates.
- 5 course guides · 150 pages
- 5 fillable workbooks · 140 pages
- 100 narrated video lessons · 3h 24m 26s
- English captions, transcripts and worked cases
- 5 editable Excel tools and 5 decision labs
- 8 editable operating templates
$999 USD / one time
Buy & downloadSecure checkout by Lemon Squeezy
Prefer Etsy? Buy this package on EtsyPay securely. Download. Learn at your pace.
Choose Lemon Squeezy or Etsy. Your chosen provider handles checkout and gives you access to the included ZIP files after confirmed payment, through the order confirmation and receipt. Keep your purchase email and order reference. Extract each ZIP and open START_HERE.txt to begin. A PDF form reader is required; the complete package also needs compatible spreadsheet software. Contact info@northmarksystem.com if you need help with access.
Clear learning expectations.
AI-assisted learning materials with synthetic English narration. Independent self-study, with no live coaching, platform certification or income guarantee. Check local rules and property requirements before acting. Prices are USD base prices; checkout may display local currency and applicable taxes. The five packages overlap: each higher package includes all preceding courses.
STAN / DIGITAL DOWNLOADS
A practical start.
Just $10 USD.
Choose a ready-made kit and pay on Stan. Your ZIP is delivered through Stan after purchase, with no sales call required.
Browse all 5 Stan productsFEATURED / ENGLISH EDITION
API Testing Starter Kit
Turn one API requirement into a repeatable test. Includes a 10-page guide, 20-case CSV matrix, 12 request examples and editable bug-report and retest templates.
$10 USD / one time
Fictional worked contract. Bring your own HTTP client; no live API server or video course is included.
ALSO ON STAN
USD base prices. Stan may show a local-currency option or applicable taxes at checkout.
WHOP / DIGITAL DOWNLOADS
Choose a kit.
Buy it on Whop.
Four original learning kits, with one-time USD pricing. Whop handles checkout and access to the product files.
Browse Northmark on WhopONE-TIME DIGITAL KIT / ENGLISH
API Testing Starter Kit
A compact first test pass: guide, editable cases and request examples.
$10 USD / one time
ONE-TIME DIGITAL KIT / ENGLISH
API Foundations Lab
Read HTTP requests, work through exercises and call a local practice API.
$79 USD / one time
ONE-TIME DIGITAL KIT / ENGLISH
Small Team IT Operations Kit
Organize recurring support work with runbooks and editable working resources.
$130 USD / one time
ONE-TIME DIGITAL KIT / ENGLISH
AI Workflow Toolkit for Small Business
Define, review and document bounded AI-assisted business tasks.
$199 USD / one time
Each kit includes one ZIP with the contents listed on its product page. Prices are USD base prices; checkout shows the final amount and any applicable taxes. Watch actual guide and template excerpts before choosing a kit.
NORTHMARK / DIGITAL RESOURCES
Practical tools.
Clear next steps.
Starting at $10 USD · One-time purchases
Choose a focused workbook, a ready-to-edit training deck or a complete toolkit. Clear contents, useful formats and direct checkout through Lemon Squeezy.
Explore the digital storeEnglish-language resourcesEditable working filesDownload after checkout
Hosting Operations Workbook
Turn hosting ideas into practical decisions. A 20-page workbook with module activities, scorecards and scenario tests.
$10 USD / one time
View & buyPrint the PDF or complete the editable Word file.
Short-Term Rental Hosting — Training Slides
Teach hosting operations and guest experience with 30 editable slides, presenter notes and a PDF handout.
$15 USD / one time
View & buyAdapt the PowerPoint to your own training session.
Complete Hosting Training Bundle
Bring the training materials together: presentation slides, trainer guide and learner workbook in one downloadable ZIP.
$29 USD / one time
View & buyIncludes the slides and workbook listed above.
AI Workflow Toolkit for Small Business
Plan and review repeatable AI-assisted work with a 27-page playbook, 20 editable prompts, workflow register and working templates.
$199 USD / one time
View & buyAI software subscriptions and implementation are separate.
Digital downloads in English. Review the contents on the checkout page before purchasing. The final amount, including any applicable taxes, appears at checkout.
Questions? Contact NorthmarkNANOCORP / FREEART
Small kit.
Useful first steps.
The API Testing Starter Kit is $10 USD, paid once. Its ZIP is emailed manually to the checkout email after payment review. No instant download.
Open NanoCorp Products
API TESTING / ENGLISH EDITION
API Testing Starter Kit
10-page PDF guide, 20-case editable test matrix, 12 HTTP request examples, fictional JSON contract and bug-report templates.
$10 USD / one time
View kit & delivery detailsCONTRA / LEARNING KITS
Go deeper.
Keep the work practical.
Original guides, editable working resources and clear product descriptions. Explore the published product page for purchase and delivery details.
Ask about Contra productsDIGITAL KIT / ENGLISH
API Foundations Lab
A self-study guide, workbook and local practice API that help learners move from reading requests to trying them.
$79 USD / one time
View product on ContraDIGITAL KIT / ENGLISH
Small Team IT Operations Kit
An operational reference kit for small teams organizing recurring support work, assets and access reviews.
$130 USD / one time
View product on ContraDIGITAL KIT / ENGLISH
AI Workflow Toolkit for Small Business
A playbook and working materials for building, reviewing and documenting everyday AI-assisted tasks.
$199 USD / one time
View product on ContraKAJABI / HOSTING COLLECTION
Build a clearer
hosting routine.
Courses, resources and learning experiences about short-term rental operations. Each button opens the existing public Kajabi offer.
Course
Short-Term Rental Hosting
Six modules and twelve text lessons, examples, a PDF handout and a printable/editable workbook.
$10 USD / one time
View course
Download
Hosting Operations Toolkit
A PDF slide handout plus printable and editable workbooks. These resources are also included with the $10 course.
$50 USD / one time
View toolkit
Community
Hosting Foundations
One-time access to the Hosting Foundations community group. Course and coaching are separate.
$79 USD / one time
View community
Newsletter
The Hosting Operations Brief
Advance access. First issues are in preparation; this is a one-time purchase, not a recurring subscription.
$86 USD / one time
View advance access
Coaching
Hosting Operations Coaching
One 45-minute online session. Confirm availability by email before purchasing.
$134 USD / one time
View coaching
IN PREPARATION
The Practical Hosting Podcast
English-language conversations about guest communication and everyday operations. First episode in preparation.
Coming soon
Ask about the podcastProduct checkout and delivery are handled by the linked platform. Prices shown are USD base prices; the platform may display local currency options or applicable taxes. Read the selected offer before purchasing.
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