It is not uncommon for beginners to 1.

How common (or uncommon) is it to refer one of your investors to another wholesale deal that is not your own, and collect a pre-arranged amount from the wholesaler, before or after closing?

When you work for someone else, it's not the least bit uncommon to make thousands of dollars for the company, and yet very little extra for yourself.

Not uncommon lately.

Without documentation, D has NO legal right to B's portion of the deposit (assuming here that you did not originally allocate X dollars of deposit to each individual), and, furthermore, B can sue for damages long after the others have moved out if you can't prove you met the requirements to return the deposit to B in a timely manner.Having said all of that, realistically, it is not uncommon for substitutions to take place without your knowledge or consent.

If you do close then you are legally bound to perform is that is what you agreed.Your deal is a lucky one but the mechanics of the transaction is not that uncommon.

And in addition, it is not uncommon to have a requirement, for example, that a "bedroom" consists of a minimum of 100 sf, plus it must have a closet.

@Cecil Russell it's not uncommon at all for it to take a year to get your first deal. 

As near as I can tell vacancy rates for motels vary wildly, but 40% vacancy is not uncommon

It is also not uncommon to get roof damage from the hailstorms that seem to occur every few years.