https://www.biggerpockets.com/blog/brrrr-loans-what-are-the-...Refinancing: Conventional or Portfolio Lenders vs.

I guess the question is, could I house hack with these program over and over just as I would with a conventional mortgage?

For investing you can house hack, use hard money/private money to BRRR or flip or do the traditional way of a conventional mortgage 

For example, if there's more smaller units on the OTAs then it can be a good indicator to purchase larger units for MTR since there's less inventory of larger units. 

Here are some data points from the past month:Real Estate UpdateHere's the latest market report (based on single-family homes):Mortgage Rates:30-year conventional rate today is 6.27%30-year VA rate today is 5.69%Median Sales Price:June: $485,000July: $487,483August: $480,000New Listings:June: 1,920July: 2,068August: 2,153Median Days on Market Until Sale:June: 13July: 14August: 16Months Supply of Inventory:June: 2.3July: 2.8August: 2.9What does "Months Supply of Inventory" mean?

Once the property is stabilized, refinance into a DSCR or Conventional loan.

After that, you can do an FHA purchase with 3.5% down or conventional loans with as little as 5% down (if you live in those properties). 

Or do they keep them higher now thats the 30 year conventional is dropping.

One of the things that make "Agency" guidelines good is that they are standardized across all states so you will not find many differences in Conventional, FHA, VA, or USDA loans. 

Thats going to save you $8,750.00 alon plus FHA MIP is higher per month than conventional Fanie Mae PMI.