I would for NOT do tree houses for liability reasons.

@Samuel Coronado - the challenge is that there will likely be a very small number of renters looking for a house that size, as well as that can afford a rent amount that high who won't just buy otherwise. 

It’s just like having your 5 houses, only all in one building.

Purchase price: $499,990 5 bed 3 bath split level house in Hyattsville, 1875 sq ft

Which is why I think house hacking is best for 90% plus of new buy and hold investors.I wrote an article on this a while back that goes into more depth and you might find that helpful: https://www.biggerpockets.com/blog/get-a-loan

Looking forward to reviewing these options.Here's the PA law: https://clsphila.org/housing/security-deposits-in-pa/Any bank account will work.

The fact that you are asking this question of strangers instead of your PM indicates you have an amateur managing your property.

Things like this are why it's important to work with a professional who is well versed in real estate taxation because the "common/simple" strategies taught frequently like BRRR or house hacking actually get fairly complicated when it comes to handling it correctly. 

@Angelica Byrnecan you just save up enough until you are able to house hack? 

We live well, have a nice house which I built from the ground up and saved 200k off the top.