File it electronically, and the IRS offers FREE eFiling of extensions via one of its partnering companies.If you owe the IRS money - there is NO EXTENSION!

I don't need cash flow right now, I'd be more than happy just living for free and getting equity in this market. 

If he is bonded, you can try filing a claim against his bond.Feel free to PM me this contractor's name so I never use him lol.

And it’s free…could be helpful https://www.biggerpockets.com/...

QuickBooks cando more than you realize.For rentals, Stessais free with a BP Pro subscription.

Pros get:Unlimited analysis calculator reports, rental price estimates, and rehab estimatesAccess to discounted educational bootcamps ($225 per course for Pro members only)Free property management software from RentRediFree off-market deal finding tool from InveloAccess to the pro-only forum in our community Access to exclusive pro-only video content like workshops and webinar recordingsLawyer approved lease agreement forms for all 50 states – $99 value per stateIf you are sure you want to cancel before the auto renewal, you will lose access to this exclusive content!

Hey Michael - we do a lot of business with rent by the room on a MTR basis that are providing some good returns for investors the Fulton, Dekalb, Clayton, and Cobb counties.Feel free to reach out - happy to help however I can!

Particularly with an FHA loan, you might find a home where the parcel is zoned for 2 units, but has 3 units which is legal-nonconforming... but then your loan officer will only count two of those units of rent to qualify for the loan because one is nonconforming.

Since you requested any book recommendations, I wanted to point you towards Tax Free Wealth by Tom Wheelwright. 

Be kind and try to call the main office for a solution.