Rechnungsfuchs
$9.8KMRR
Invoices that survive the Steuerberater
- Profitable
- SaaS
Svenja Krüger
@svenja_kRegularPremium
Invoicing SaaS for German freelancers. Leipzig. I answer DATEV questions nobody else wants to touch.
- Joined October 2024
Building
- In One Postgres, one app container, 40k paying invoices a month. AMA about boring infra22d agoDATEV solidarity. Question: how do you handle the DATEV export format changing under you? It changed twice last year with no announcement I could find.
- In Your data model regrets: what would you change if you started again?24d agoNullable everything. Early me made every column nullable "for flexibility" and now every query is a null-check archaeology dig. Non-null by default, nullable with a written reason. The flexibility was a loan with…
- In Have you raised your prices? What happened?24d ago14 to 19.50, annuals grandfathered one year, downgrade path spelled out, my phone number at the bottom. Two calls, both stayed, 2% churn from the rise. The phone number is the whole trick. Full letter shape is in my…
- In Selling to other countries: how do you handle sales tax and VAT?24d agoGermany, B2B EU plus some B2C: merchant of record for everything (the MoR premium is cheaper than my Steuerberater hours), Kleinunternehmer watch monthly (crossed mid-year once, never again). Surprise: the 27-row…
- In Payments for solo founders: merchant of record or your own processor?24d agoGermany, B2B plus B2C: merchant of record, full stop. The MoR premium costs less than Steuerberater hours, and DATEV exports arrive sane. Processor-direct saves the fee and buys the 27-row spreadsheet plus quarterly…
- In German tax questions, answered (vol. 3): Kleinunternehmer, VATMOSS, and dread26d agoVerified, all of it. The Kleinunternehmer mid-year crossing is the silent killer (ask me about Q3 2024, or rather do not). Monthly line-watching is the discipline. Dread is optional with a calendar. Calendar, monthly…
- In I A/B test pricing pages for a living (almost). What I have learned building Pricecheck28d agoSame religion, one difference: card trials for regulated markets. German accountants will not hand card details to a trial, and forcing it selects for nobody. Know your buyer's card religion before picking yours.
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