My goal is to buy a multi family.

I assume this is a house-hack of a multi-family since you're only planning to put 3% down.

People can blow through a 15k rehab budget pretty quickly without even accounting for structural issues or any big system replacements. 

(like the one I'm probably going to be in soon if these squatters know how to work the legal system. 

If you're a prospective buyer of a multi-family unit, here's another tip you might find useful when you're kicking the tires on a prospective property.Don't just look at the currently occupancy, check the eviction filings for that property address (it is probably public record at the courthouse - depending on where you're located). 

I want to purchase a multi-family (four plex) to rent out, but im concerned that if I get approved for a loan it hinder my future purchases for more multi-family homes.

Having <10K will limit your options on how much real estate you can afford, though that same rule applies if someone has $100K saved up (still challenging to own a multi-million dollar complex on your own).

Looking into investing duplex and 4 plex homes. They are new. Actually preconstruction. I know the benefits are home warranty and no cap x or repairs expense needed in the beginning. I am new investor and looking...

Looking to buy my first multi family unit this winter and currently looking at the north side of Chicago.

My main focus is on multi Family properties.