For your second question, it depends on where you're comparing the condos to homes.

Over all real estate market was good and especially Houston market experienced good gain in home sales compared to last year after Harvey 2017. 

Find houses that have already sold and compare them to what your place is going to look like when it's done.

Look into Homestead funding and see use them as a baseline to compare with everyone else so you ensure you get the best rates.

Buyers and sellers are free to negotiate a more equitable arrangement in the land contract.Equitable ReliefBecause of the harsh consequences of forfeiture, a buyer who forfeits all payments in a land contract can appeal to a court of equity for relief.

A couple of extra points interest on $50k for a few months is peanuts compared to the alternative. 

@Dorian Guin how to the unit costs compare to SFH in the same area (i.e. cost per unit vs. what a SFH costs)  do you have an idea on why the other units have been vacant?

But I don't think comparing renovations to a primary residence and the sort of work you're going to have to do on a defunct 2-4 MF in a slum are two different beasts.

He didn't believe the acquisition price was good enough "per door" (he was comparing it to SFH ratios) to make a profit.

Some key points on the Single-Family segment are:*November '18 sales volume down 2% from Nov '17*November '18 median price up 4.4% to $235,000 (the highest ever for a November on record)*Year to Date, sales volume 4.6% higher compared to 2017's record volume.