multi family property

[Raymond Hill]

hello, I want to know for the first time homebuyers on this forum if what systems or formulas did you use to come to your decision to purchasing your first property. Trying to help my fiancee build confidence and understand the numbers her goal is to make 100k a year in rental income and wants to know what other first time buy and holders used to make their first purchase and if you could advise what the best route to go