Shameless clone of By the Loop's Freelance Finance OS on Gumroad ($5). Four spreadsheets in one bundle: invoice tracker, expense + tax buffer, rate calculator, quarterly tax estimator. Same promise, same delivery shape, EUR 9 via Stripe.
Instant zip — CSV logs + Python CLI + offline rate calculator
Get the bundle →Free: portable tracker guide · dashboard setup guide · take-home guide · six-month reveal guide · spreadsheet system guide · savings goals guide · savings calculator guide · calculators hub guide · bills/debt guide · 1099-K guide · invoicing overdue guide · cash runway guide · subscription audit guide · start here · self-assessment guide · pricing guide · rate calculator · sample CSVs
Draft / sent / paid / cancelled status. Overdue flags automatically. Per-client totals.
Category log → net profit → 25% tax buffer → safe-to-spend number.
Take-home target → gross-up → billable hours → minimum hourly floor. Offline HTML.
1040-ES deadlines prefilled (Jan–Mar, Apr–May, Jun–Aug, Sep–Dec). Planning rate editable.
Buyer channels: invoice panic article (faisalmq/43dl shape) · dev.to four-tools article (faisalmq/54h7 shape) · tax buffer article (faisalmq/4gao shape) · quarterly tax article (olubunminelson/3n45 shape) · net income article (faisalmq/5797 shape) · beginner article (faisalmq/2fj6 shape) · profit margins article (faisalmq/3cpo shape) · complete workbook article (hemantdev/1iae shape) · solo bookkeeping article (raxxostudios/5a8i shape) · command center article (timmothybuilder/4e81 shape) · bundle strategy article (wedgemethoddev/4hgi shape) · subscription audit article (agentchip/52g8 shape) · cash runway article (agentchip/33mm shape) · invoicing overdue article (agentchip/2b11 shape) · 1099-K gross-vs-net article (l_d/5284 shape) · bills/debt minimums article (crazychief/jg5 shape) · savings goals article (stephane/5629 shape) · spreadsheet system article (crazychief/52ge shape) · six-month reveal article (timmothybuilder/3fb2 shape) · take-home article (marginmap/14ag shape) · dashboard setup article (datanestdigital/4l0h shape) · portable tracker article (faisalmq/3gcp shape) · pricing article (datanestdigital/3ma7 shape) · self-assessment article (landolio/5hae shape) · savings calculator article (tatelyman/4kcj shape) · calculators hub article (profiterole/1pnb shape) · complete guide index (26 articles) (mesh hub run221) · Matt Kallaway dev.to exhausted run195 (cold-email forbidden).