Buying a biz jet rating is even more retarded (excuse me!) than buying an airliner rating.
Bizav is all about who you know.
If you're friends with a chief pilot he could put you in the right hand seat of a Citation right away (with your TR being paid!!).
Bizav is all about who you know. (see a pattern?)
You can be the God damn best pilot in the country with 15,000 hrs and may still not get a bizav job.
Bizav is all about who you know. (.....................)