Show HN: I made a Spanish mortgage simulator

I'm currently securing a house in Spain and wanted a method to compute monthly payments, so I created a tool for it (despite knowing Excel could suffice, I enjoy making things).

I'm considering adding features such as:

Bonuses: Interest reductions from banks for bundling services (like home security, insurance, etc.). Visual charts An amortization schedule I'd love to hear your suggestions on what to include next.