Ooh, my first thread and it's an AIBU!
Basically, I have worked with people with special needs since I left uni. I have spotted a niche in the market, and started making clothes for kids with SN as a hobby - trousers, weighted stuff etc.
Am I out of order to mention this sometimes in my posts on Mumsnet? I also offer advice when I can from my experiences, and I only put the "business" stuff in if relevant. I haven't seen anywhere about contributing money except for an advert, which as I've only been doing it a month and don't do it for much profit I can't afford at the moment.