Is there a cheap way to make my jaw line 90 degrees with my neck? (Photo)

You would benefit from mandibular and/or chin implants to improve the definition of your jawline.  Depending on the neck tissue thickness on examination some jawline liposuction may help as well.  Hope this helps.  As always, best to see a plastic surgeon for a formal assessment...

Jaw reduction can help to change the shape of your face from a square to a more feminine heart shape.  From the one photo it looks like you don't need much bone removed from your chin and front of your jaw, but your bone flairs out at the back, or angle.  Reducing this would be very fe...

The vertical facial growth pattern can require a 'bite' change correction; and a 'shortening' of the chin to 'level the slope' of the jawline. Talk to a Maxillofacial surgeon who can assist and use Xray images to review with you

It is all about dimensions . If you have a narrow palate and gummy smile, the upper jaw grew too long and can be corrected surgically. 

The left half of your facial bones is larger than the right. This is correctable by shaving the jaw bone all the way to the chin on the left side and moving the cheekbone inward on the left side as well. Most of the procedure is performed from inside your mouth. It is about a 2-3 hour procedure ...

It is absolutely possible to contour the jaw without plates or screws. I do this through incisions inside the mouth and sculpt the bone with a powered rasp. The worst part about recovery is swelling of the masseter muscle which could last as much as several months but gradually goes...