We even installed a french-drain and retaining wall to help prevent a return of the foundation issues.

Told him to leave ill do it myself.)Bad sill plate on rear corner (contractor)Replace front porch postsBuild backporch stepsDemo barnInstalling concrete footers under home, laying block and shimming to your jacked levelSetting house back down on blocks and reattaching to foundationRemove floor and portions of subfloor in kitchen & back porch and replacement Window repairTemporary power pole (electrician)Electrical service upgrade, outlet replacement and GFCI Install (mix of Electrician and us)Label panels (electrician)All exposed wiring must be protected (basically just replaced all of it)Replace missing light fixtures (new fans throughout)Build wall in living room to convert to 3rdbedroomRe plumb house and pressure test plumbing (plumber)Install smoke detectors hardwired to meet code (electrician)Water Heater electrical line, and core discharge for water heater under house (plumber)Tear out Old ac unit under houseWindow screensWindow locksBackflow prevention valve (plumber)Fart fan ventilation for bathroomApproved Address Number DisplayedFlaking paint abatement interiorClothes Dryer exhaustPaint Untreated woodRemove all debris, Remove old tiresRemove chain link fenceTreat house for black antsPoly floorsMud and paint wallsAppliancesDoors/locks.Roof patch, remove 12x24 section, cut out rot, sister in new beams, put new plywood & shinglesPiles and piles of new electrical wiring (electrician/us)Sand all walls and spray texture ceiling and walls with joint compoundPaint whole house inside and outNew trim everywhere.Sand the every living hell out of the floors (100 hours of labor + help)Gutters and french drainNew mailboxA/c Unit.

I could make some additional changes to remove ground floor doors and put another french drain in but do not want to go through all the work if I could just offer an allowance for the buyer. 

When: October 4 - 6, 2020 (pro tip: you'll want to stay until the 7th)Where: The fun is happening at The Sheraton Hotel in the French Quarter of New Orleans

Scenario: RTO company bringing on an investor so they can buy the properties to be LO to TB.Anyone have anything to read about Joint Ventures for this scenario?

It opens to the living room with French doors.

It's illegal for that LO to get paid any more or less depending on your rate, but it sure doesn't feel like that to you in all probability. 

Obviously a French drain system would need to be installed outside.

Aka change the grade   3) add French drain to divert water away from the home usually into a dry well. 4). 

Siding /Gutters/soffit fascia French drains Windows Electrical FlooringPaint FoundationDoorsAppliances HVACPlumbing Fixtures Drywall Roof CountersLandscapingCabinetsTrim