The reason for this is because the IRS can argue and can potentially come in and say that you are a dealer in real estate and all your sales are considered ordinary income subject to self-employment taxes. 

FWIW, you can usually get a better quality product from a plumbing supply dealer, even if it is the same brand.

Suppose I'm a drug wholesaler who buys from importers, and you're a retail drug dealer who operates a few street corners.I show up with my 20 pounds of drugs, you show up with your $10,000 to buy it.

Get my dealers license.

These types of buyers will be park owners or mobile home dealers that are buying in the areas you want to work. 

In my mind there are few businesses that are more challenging than property management.But as your business grows eventually you have to grow up from being a real estate wheeler-dealer into a full-blown operator. 

I've been waiting 50 years to meet another Merritt and most of them that are out there are girls, not guys (Merritt is actually the masculine, Mera is the feminine, it's Irish or Welsh).So, on the subject of image.

Dealer: "That crap is worthless, give me something with value!"

There are a lot of things with subto deals that are "dealer's choice" ...

By that logic we should congratulate heroin dealers since party goers are no longer confined to legal substances such as alcohol & marijuana.