Alternatively, you could split it between House 2 and 3 in a way that covers your building budget for the apartment.

Posting is insufficient, absent court order for alternate service, if the property is not vacate.  

Quote from @Phillip Austin: There are two alternatives to a security deposit, which I speak about in my book.

Alternatively, you could pause bookings for a short period to complete any bigger changes without rushing.It really comes down to whether you’re prioritizing immediate income or taking the time to make it 100% yours.

Unbelievable!

The program was created to give low-income tenants an alternative to living in federal project housing.S8 sets their rental rates to the LOW-END of market averages, if not slightly below.

If you're looking to househack again, then the conventional 5% down is a very viable alternative to the 3.5% down FHA option. 

Alternatively, if you leave your paycheck in your checking account earning .01% interest, there is no real benefit.  

In a pricier area, or if you’re banking on a perfect scenario, that cheap credit can suddenly get very expensive.I’m curious... if you went down this route, what kind of safety nets or alternative strategies would you have in place in case that perfect timeline doesn’t pan out?

It certainly has a large dependency; you are at the mercy of that one OTA.In addition, unless you are at ideal occupancy, alternate platforms can fill some holes.