With no visible track record how can someone expect to believe that you are who you are ? I wont open up my house on you staying there, if i dont know with i w

With no visible track record how can someone expect to believe that you are who you are ? I wont open up my house on you staying there, if i dont know with i will be crushing there for a couple of months ! Perhaps, a way to prove that you have done what you did then perhaps people would be more acceptable, but i doubt that will happen in US.