📌 30-Second Summary

A mortgage guarantor (avalista) is someone who agrees to pay your mortgage if you can't.

When it's required:

• Insufficient income (less than 35% debt-to-income)
• Unstable employment
• Low credit score
• Self-employed with short history

Guarantor responsibilities:

• Jointly liable for full debt
• Credit score affected if you default
• Assets can be seized

Alternatives: Larger down payment, co-borrower, mortgage insurance.