However, the seller was Spanish speaking and her realtor translated the whole thing about not being able to flush toilet paper so there were witnesses to her telling me that.

They are myriad reasons as to why people let this happen, and I've personally witnessed it transcend socioeconomic boundaries.

I've had to hire Real Estate brokers and Professional Engineers (PEs) as "expert witnesses" for defending various false claims.Regarding #3, the smaller your project, the less likely you'll see high impact study costs.

If a little wit bothered you, you should not try and sell you own house.

Some people accuse them of being a bit guru-reminiscent.

I've witnessed several "historic" buildings try the residential above and office/retail below and have major tenancy issues.

Whether intent is there or not, you will be accused of redlining if you spin "red yellow green" or similar color coded market maps to identify places to invest or move.  

At one point, I was even accused of being unprofessional simply for demanding answers.

Quote from @Shawn W.: It sounds like SFH is the target in this area and that Condos would not work due to HOA by-laws.

I am at my wit's end with this.