The discipline to run on a budget for a number of years or decades depending on your math, doesn't factor in emergencies or market changes where the HELOC could be used to invest in other places.

Hey Santosh,As of right now you're extremely exposed regarding insurance and I'm going to assume legally as well.If the home isn't registered as a legal multi-family with the town that's something you'll have to correct ASAP and make sure the home is up to code.Insurance wise as soon as they find out what you're doing they'll cancel you as the risk has changed from a single family owner occupied home to a multi family owner occupied home.

With rates high, I don't see much changing in the market as buyers struggle to afford a mortgage. 

Make sure any renovations comply with local regulations and obtain the necessary permits if plumbing changes are involved.

I've house hacked twice starting at 22 and it's changed my life. 

Screen them as you normally would - does their income substantiate their portion of the rent +/- a little for changes in what the housing authority will pay out?

We did get much lower costs when we changed to minisplits but the initial cost is high.

How do you prove the change?

The code being cited by the inspector is below if you care to bother.Thank you.https://codes.iccsafe.org/content/IPC2021P3/chapter-7-sanitary-drainage#IPC2021P3_Ch07_Sec708My experience is the cleanouts are small change.

Voucher amounts are reassessed annually, and they can change on a dime depending on the tenant's situation.