Tax, without the hand-waving

HonorBox is not a merchant of record. When you sell through Gumroad or Lemon Squeezy, they are legally the seller: they charge, collect, and remit VAT/sales tax, and you invoice them. That service is a real part of what their fee buys. With HonorBox you sell on your own Stripe account, so you are the merchant, and tax is your responsibility.

What that means in practice (this is orientation, not tax advice):

• Small volumes are usually simple. Most jurisdictions only require registration past a threshold. Selling a handful of $29 licenses rarely triggers anything beyond declaring the income in your home country. Know your local rules.
• EU/EEA digital goods (B2C) are the strict case: the EU VAT place-of-supply rules tax digital products where the buyer lives, with a €10,000/yr EU-cross-border threshold for EU sellers (non-EU sellers technically have no threshold). The OSS/MOSS schemes exist to make filing manageable.
• Stripe Tax can calculate and collect tax on your Payment Links (one toggle) once you've registered where you need to; it also monitors your thresholds. It doesn't file for you (Stripe supports filing in some regions through partners).
• B2B sales with a valid VAT ID are typically reverse-charged in the EU; Stripe Tax handles the VAT-ID collection if enabled.

Rules change and depend on where you live. If your store starts making real money: enable Stripe Tax, check your local threshold once, and spend one hour with an accountant. That hour is the cost of keeping 100% of the platform fee.