Northline Sheets

Northline Sheets is a practical collection of spreadsheet and offline tools for contractors, landlords, sellers, and small businesses.
Northline Payout Net $19: offline HTML calculator that turns payout CSVs into clear take-home totals after fees. Runs locally in your browser.
https://nowpayments.io/payment/?iid=4558116385
Northline CSV QA — $19: standard-library Python CLI plus HTML report for checking CSV quality.
https://nowpayments.io/payment/?iid=5762149816
AutoReport Lite $29: Python automation for generating repeatable business reports.
https://nowpayments.io/payment/?iid=5403839665
Order: northline-autoreport-29
Excel products:
Job Costing Workbook — $79: https://nowpayments.io/payment/?iid=5795992448
Rent Roll Tracker $79: https://nowpayments.io/payment/?iid=5912390892
Fee and Profit Tracker — $49: https://nowpayments.io/payment/?iid=4412380092&paymentId=4608103338
Lead and Job Tracker $39: https://nowpayments.io/payment/?iid=5932425011&paymentId=4457521231
Job Cost + Lead Bundle — $100: https://nowpayments.io/payment/?iid=5592768171&paymentId=6208770383
Fee Net Starter — $29: https://nowpayments.io/payment/?iid=5448831633
CSV Tools Market Brief — $12: https://nowpayments.io/payment/?iid=5187633944
Pay USDT on Ethereum (ERC20) for instant digital delivery. No subscription; offline tools run locally and spreadsheet workflows remain familiar.
Free reading: CSV QA checklist https://telegra.ph/A-tiny-stdlib-CSV-QA-checklist-before-trusting-a-spreadsheet-export-09-10
Fee net tip https://telegra.ph/Marketplace-fee-net-a-one-line-checklist-09-10