For new construction I have seen, a typical deposit is 2-4% of the purchase price, mainly because it is uncommon that people put 50% down on a property.

ATL is still experiencing a seller's market, and a buyer backing out of the deal is pretty uncommon unless there are serious damages to the home.

Uncommon to see DSCR options on something that small.

Is this a common or uncommon thing for it to have #’s?

It's actually somewhat uncommon for someone to sign the lease and then move in the next day.

.$1500 isn't uncommon.

Sadly, not that uncommon. 

They receive equity in returned for this.Likewise, it's not uncommon to dole out equity for the risk capital -- earnest money, due diligence cost, etc.And of course, the main purpose of a syndication structure is to bring together passive investors to provide the equity needed for the down payment, capex, closing costs, and other capital needed to complete the project.Long story short, while it's always nice to have access to your own capital, it's not necessary when doing large commercial projects.

It's not uncommon to find many old houses from the 60s, 70s and even earlier - 1860s that is.

Not a super uncommon occurrence.