Rule of thumb - keep a third in reserve for first year.
You got $30,000 - buy a $20.000 plane
You got $21,000 - buy a $14,000 plane
You got $14,000 - think real hard about if you want to get into this - you don't get much for $9,250!
You got

$6.75 Million?
https://thepointsguy.com/2016/07/inside-the-hondajet/