Partnership Trust Issues

[Mashy Green]

Dear BP community,

I am relatively new on this forum and to the real estate investing in general. However, my partner and I own a one-family house in Philadelphia, Pennsylvania, which we are about to sell. Unfortunately, towards to end of our project we developed some trust issues ( more precisely some distrust issues). 

I was wondering, how after the closing once we get the certified check or a wire (not exactly sure which means of payments the buyer will use), could I protect myself and to secure i am actually getting my half?

thank you,

Mashy