A spreadsheet has its place in your daily operations and tracking efforts, but I highly recommend starting with a software like QuickBooks Online to track your expenses in a more formalized manner.

This ordeal has shed light on the risks associated with relying solely on fintech apps, particularly those that operate without a banking license and depend on third-party banks for processing.

These are all mom-and-pop operations, so setting this up was easy.

My wife and I own 4 units and operate a 5th as an MTR arbitrage, and we definitely use furnishedfinder.com as well as AirBnB and Vrbo (min 16 day stay and no instabook). 

Interest income from fix & flip loans is typically considered passive income and not subject to self-employment (SE) tax, but other fees like origination fees and loan servicing fees might be subject to SE tax, as they're seen as part of active business income.However, because you're operating through a partnership LLC, some accountants might interpret that income as ordinary income, which could be subject to SE tax.

I know the law and do not operate my business based on other individuals that confuse moral with legal.  

I have investment properties here in Columbus, Ohio, which has seen significant growth, especially with tech giants like Intel, Meta, Amazon, and Google setting up operations, driving up property prices and job opportunities.

That's just my $.02 but I'm sure others have been operating differently with success.As for neighborhoods, West Side, South Buffalo, Kaisertown, decent sections of Black Rock and Riverside, pockets of North Buffalo, maybe some sections of Cheektowaga are going to fall into those categories.

And, that is in a nice neighborhood where you can get $1100/mo for a 1 bedroom.Here it is: $50,000 rental income less CapX and Operating Costs @30% (don't forget you own 16-20 appliances that nowadays last maybe 5 years and can't be repaired) . . . =$35000 for debt service and return on downpayment.

I mostly operate in VA and NC holding long term rentals.