At a time when French citizens are finding it increasingly difficult to access homeownership and pensions are drying up, rental investment appears to many as a true Homeric odyssey. Between increasingly restrictive access to credit, the multiplication of energy standards, price volatility, and the proliferation of real estate investment charlatans, individuals face a double difficulty: the absence of reliable and centralized tools, and an abundance of information that is sometimes contradictory. Worse, it can even be the people around them who contribute to a paralysis that inhibits any initiative.