I wouldn't fold on your requests, if the seller refuses to extend the contract and pay for the rate lock I would walk away before I bought the house.

Do not fold with them if they agreed to a price they would pick it up at, everyone can make money without dipping into pockets.3.

Alcoholics anonymous.Indoor dirt floored R/C car track with jumps.Laser tag with refrigerator boxes as barriers.Homeless shelter with cots and showers X$ a night.Chinese Buffet.Western Dancing parlor.Saloon with pool tables and a door guard.Night School, learn--English, office work, "To run the computer", Lease the parking lot to the PD to store cars there that are awaiting repairs.Put in a stage and folding chairs and have a community playhouse.Indoor put golf/with A/C and beer taps.Chuck E Cheese or clone.Morticians may want to work there if the parking area is nice.Boat dealer (???)

Cleaners, lawncare person, window cleaners (exterior), carpet cleaning company, laundry service (I pick up the dirty linens and drop them off to a wash and fold laundry near by). 

Trees are very inexpensive to plant and you will get return more than ten fold in reduced cooling costs and added property value.

I was thinking about subdividing to keep the existing house on a smaller portion of the lot, and build a fourplex on the subdivided portion to get some use out of the land.My question is two-fold: In this real estate market, will building a fourplex be a good investment?

I have been thinking about getting my real estate license so that I can fold the rentals into a business (I am already the property manager of the short term rentals).

The reason I call out the Property Manager is two-fold.

Besides, probably without exception, I failed to take legitimate deductions which I would  now fold into a 1040X, resulting in a net tax benefit for me for the filed years. 

Really, don't you think anyone who would qualify should be required to sell everything they own first, only have two sets of clothes for summer and winter, a bicycle, one metal folding chair for each family member, a table and a mattress on a metal frame?