Buying Land and tree cleaning
1- Cut them down &amp; haul the corpses away. But, the Governing Body may limit how much you can clear &amp; your Architect or Builder will have other requirements.

2- Yes, the Contractor is there to do whatever it takes to get your money, he'll Sub-Contract the tree removal out to an experienced guy or firm.

3- Electricity, Septic System, Heating Oil or Gas (if not electric), 911 Service, Fire Dept. access or abilities &amp; thereby Insurance Costs, Environmental Impact Control Costs, Water Retention &amp; Driveway Path...meaning, will it be easy for many vehicles to park or big long trucks to deliver materials or will costs &amp; problems arise from difficult access.