I haven't seen anything under 200-250k all in cost  Part of it is detached garage and using existing structure + existing electrical.

Generic agreements/hand shake agreements with vague exist strategy can get a little nasty in my experience.

If you decide to keep the home, you could refinance (and lose the 3.5% rate) or get a second position loan - this would allow you to access the equity without affecting your existing mortgage.

A lot of people are buying houses sub to where ownership of the property transfers to the buyer but the existing loan stays in the sellers name and the buyer just takes over payments. 

Apartments.com cost $99 for me to post and it didn't bring enough quality and serious leads for me.Lease: Zillow provides state-specific lease (pretty basic) creation, sign, and management.Payments: Zillow Payments exists but I set up with apartments.com since that allowed for split payment between roommates (Zillow didn't allow split payments at the time).

It does not mean it doesn’t exist.

It's important to review any existing rental listings, like the ones on Furnished Finder, AirBnb & VRBO and assess the property's performance and potential profitability.Consult professionals: It may be beneficial to consult with real estate agents, property managers, or financial advisors who are familiar with the target market.

Going back to topic, I believe in the saying: if it is not in black and white, they don't exist.

The plumber came back saying the either the pump was burned/failed because of too many wipes being flushed down or when "an outside vendor" did snaking the pipe, it damaged the pump.He also mentions the "pit" where all the sewage from the fourplex comes to is too large, corroded and needs to be fixed:"using gravel to fill in the existing voids present aroundthe pit, then install a new pit with the extension lidneeded.

If you have a proper exist strategy to pay off the HELOC, the HELOC is a great way to tap into the equity for a relatively short period of time.