That is a poor delineation of exploit. I use any number of professionals’ knowledge or skills or supplies just the same as I use natural gas to heat the home o

That is a poor delineation of exploit. I use any number of professionals’ knowledge or skills or supplies just the same as I use natural gas to heat the home or water to hydrate myself or clean whatever. Maybe something about the seller (or buyer) being under duress would be a start to defining exploitation.