Before deciding to buy an airplane, it is good to considers several things. First, you have to check the quality of airplane. It is best to buy from reputable manufacturers, so you can find spare part easily from them. However, it is good to know how airplane is operated and cared, so you can predict lifetime of the airplane.
Check out with legal document like flight department companies whether Airplane Sale is from reliable source. Also, you can calculate depreciation rules with the airplane in case you would like to resell it in the next 5 year. You can ask about operational and maintenance cost of airplane to make an estimation budget regarding the expenses that you have to spend each month. Don’t forget with tax liability that you have to pay when purchasing airplane. Usually, you can read it in the purchase agreement term and conditions. It is best if you can deal directly to the owner of the airplane rather than using broker which takes high fees.
If you are purchasing through the dealer, you can ask whether you can use them again when reselling the airplane. Most importantly, what are the benefits by having this airplane? Is it for business traveling or private use only?