What you need to know.
1) Consider researching to compare as contrast cases.
2) Short-Term/Bridge Financing by Developers - Payment plan usually 2-4-6 or up to 9-12 months.
3) Private sellers: May offer short term financing
4) Mexican banks have higher interest rates vs the US mortgage or private loans.
5) Private financing: MOXI
6) Pull equity from your home country to pay for your new project.