Depending on the state you live in and whatever paperwork you signed when you joined the company, I would consult a disability or worker's rights lawyer and have them review your company's policies so they can provide some potential options going forward.
I actually did this business. The short answer is the vendor landscape is super-varied, and that means you have a ton of different companies to deal with, each of whom tends to be small and doesn't have a very good vendor support operation. Since we didn't want to carry inventory we did drop ship...