Perhaps the loan calculator is using compound interest instead of simple interest.

They fixed the front door NOT the back door and now the back door to your compound isnt latching properly?

Interest is not compounded.

It's simply called "floor leveling compound" and Home Depot should have it:https://www.youtube.com/watch?

I would think some states licensing board, by allowing anyone up to a duplex, etc, compounds the problem.

It's only going to compound your problems.

She got a job as a Pharmacist at Walgreens or CVS while my son formed a partnership with his best friend from fourth grade, borrowed enough money to start a compounding pharmacy and makes over $400K a year.

You will then have to replace the roof, the damaged plywood, replace the saturated insulation, replace the drywall, and get it painted after applying joint tape, joint compound, and do some sanding.

As many have voiced - you have minimal chance of recovery from the Builder, due to expiration of Builder and Structural Warranties , compounded by the fact property was also an "As Is" Foreclosure. 

take the money you earn - the CASH FLOW - you earn NOW from your real estate investing and invest it back into more real estate...as you compound your money - start putting money away in different investment vehicles like IRA's and the like, if you choose.but now...if you take out equity on your home - HELOC or refi - you pay 5% interest on that money and earn 5% in IRA...and in a CD, heck YOU'LL BE LOSING MONEY.and note - that i'm not figuring in INFLATION which is killing people who think that saving is investing...savings = 5% interest earned per annum (if you're lucky) MINUS 4% inflation - 30% taxes...you're money is "earning" next to nothing...