Start-up expenses like the ones you mentioned can’t be fully deducted in the year they’re incurred.

Put the work in to get it cleared then sold it to investor who bought property to hold it.

Not brainiac stuff here, but in the end, it's the simple-but-tedious work that gets the best results. 

Look at the trailing 12 month's expenses on the seller's operating statement. 

The average person thinks about a dollar and how they can spend it.

In general, if there's nothing in zoning or the deed restrictions prohibiting the division of the property, it's mostly just getting it resurveyed and presenting the new subdivisions to the local government (county usually) to have each lot recorded as separate parcels.

No, just inform them you are the new owner (they may want proof) and provide them with the address to send payments. 

This is a recent decision where a title insurer denied coverage to an insured owner who had been named in a suit to rescind the deed into the insured. 

Run the numbers looking at a 5 year plan.

Can you narrow the scope?