For those that I’ve already bought the food how do you clean the inside. It’s getting a little stinky

Unstrap it from the hard plastic part and hand wash only! It will get damaged if you machine wash. Also hang/air dry, do not put in the dryer.

Will this boot be helpful if you have plantar Fasciitis ?

Probably make it FEEL better, but not make it GET better. Stretching and ice will heal it, this will just immobilize it. There are insoles for plantar fasciitis that are probably less expensive and more comfortable.

How wide is this boot?

I have a wide foot, and the boot had more than enough room for me to wear a thick sock and use the foam padding around my foot.

Will this be good for a broken or fractured heel?

According to a quick search, we found the answer to be yes: Treatment Rest, ice, compression and elevation (RICE). Rest (staying off the injured foot) is needed to allow the fracture to heal. ... Immobilization. Sometimes the foot is placed in a cast or cast boot to keep the fractured bone from moving.