Take Action Entrepreneurs Interview Cristhian Huamani. Cristhian became a millionaire through real estate investing at only 29 years old. Cris talks about the importance of seller financing properties, buying and holding properties, and how to get started with $0. Cristhian is a millionaire RealEstate Investor and broker, who is now the founder and president of Hispanic REI Association Of The USA with over 4,000 members.