Schedule C
What Schedule C is, how it works for solo founders, and how to think about business vs personal expenses.
VAT for SaaS
How VAT works when you sell software to EU and UK customers. Stripe vs App Store, who handles what, and what you need to do.
VAT Input Credits
How to reclaim VAT you paid on business purchases from EU suppliers. Two mechanisms, when each applies, and whether it's worth it.