Housers Smart Investments is a real estate investment platform that offers 3 types of investment opportunities: buy-to-let, buy-to-sale and Development Loans. Free €50 bonus with our link when you make your first investment.Housers Smart Investments is a real estate investment platform that offers 3 types of investment opportunities: buy-to-let, buy-to-sale and Development Loans. Free €50 bonus with our link when you make your first investment.