Do some advanced research on fuel required and pax load before you buy.
(play with sample weight and balance for the loads you anticipate carrying)
If you want to fill the seats, your fuel load will be significantly
reduced to avoid overgross.
Short legs may not get you the performance you are looking for.

john szpara wrote:
A couple more commander questions. My best case scenario has the
following parameters:
1. Cruising speed 200+ kts (not just at the flight levels)
2. cabin class
3. potty
4. pressurized
5. price around $150k, +/- 20k
6. ceiling above FL240