This is definitely a solution you should consider being that it does give you the ability to fully survey without being tied to a service contract.
The two issues you are going to run into (and would with any other system) are obtaining “real” elevations and possible interference with the trees. PPK will help with the trees. Check out this thread on the elevations natively provided by the system versus real ground elevations. There allot of content so just grind through.
