What type of equipment can I ,a regular person,purchase for $200,000.
or less, that I
could turn around and lease for maximum money?

It isn't precisely "equipment," but have you considered investing in a
thoroughbred race horse?

This is a tough one, because with all investment potential
comes risk.  Most business opportunities acheive a 
level of stability because in a perfect market really good
niches are discovered forcing down profitability or
driving up risk in areas like overcapacity.  See what someone
comes up with.

Tow Truck
Semi-tractor
Billboard