first multiplex and have friends who want to invest in it

[Chad Lowans]

im sorry if this is the wrong place to post this im me to alI of this but i currently found a multiplex that i could buy and rent out its a 4 unit house with 2 houses on the lot that could be rented out but they want $300,000 it all looks good just minor fixes and i had a friend that came to me and asked if i would be interested in him giving me some money to help out with the down payment but i dont know how that would work out so my questions are 1. how would i pay him back if he invested money into a place i own? 2. would it be a better option to get more people included so its less money out of my pocket? 3. what are the pros and cons of going this route?