If you’re serious about this endeavor put your current home on Zillow to rent with an occupancy in 90 days before you sign a PA for the next house.There are other lending products that are not as strict but the terms are different.

Bottom line these are NOT federally regulated or state regulated loans.. they who have the gold make the rules.

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However, we typically use the FHA-203k loan because it involves a renovation, which I highly recommend if you are looking to really boost your equity and have the cost of the renovation wrapped into your loan with a VERY LOW AMOUNT OUT OF POCKET.I like the FHA loan, but honestly, the Fannie May Home Style is an even better product at this point because you just have to bring a bit more cash to the table 5% vs. 3.5% (w/ FHA), but you have a bit more flexibility.  

Quote from @Brett Jurgens: @Jay HurstThanks for responding3.75%, 30yr fixedLike others have said, with that interest rate your best bet is probably to do a home equity line of credit (HELOC) to put towards an investment that you can quickly recoup your initial investment on.

If renovating adding the story would increase the rent significantly and make it more in line with the neighboring houses it may be worth it.

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Then use the extra roommate rent income to pay down your mortgage and look to refi to a lower payment in the future (3-5 years) - so it cashflow when you move out.You could also choose the smaller unit and STR the other unit to generate more cash to pay down your mortgage and refi, so it cashflows when you move out.Bottom line: you'll have to get creative to solve your cashflow challenge!

I would also only do this if both properties have solid appreciation potential.If it was me, I’d consider trying to get a HELOC on the first property and use the funds for a flip or a BRRRR so I could pay back the line of credit within 6 months and then go do it again.

Go through your goals and make sure what they know and are an expert in lines up with exactly what you want.