Since you can jumpseat, you may want to check the prices at Fulton Aviation in Atlanta at FTY.

5 hours in a Seneca 1 is $1335.00. 5 hours of ground prep for the oral is $225 if you need it.

It's at your pace and you pay as you go. If you are ready in 3 hours then that's what you pay.

They set up a date with the local examiner and then you come in 2 days before and do your course.