Tenant boundaries are not optional
Even an MVP needs a clear tenant key on core tables and queries. Faking tenancy with client-side filters is a security and rewrite debt.
2026-12-10 · GitXpert
Multi-tenant SaaS mistakes that force rewrites
Multi-tenant mistakes that force US SaaS teams into rewrites — shared IDs, missing tenant filters, and billing bolted on too late.
SaaS · Architecture · USA
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