soft washing

Hi everyone I’m looking to start a soft wash business, I’m already running a window cleaning business so it feels like a good thing to offer as well. Does anyone have any experience on how to begin, what’s the best brand of chemicals to use, how long should you leave them on the surface before...

I've lost my job, it was contract work, and as I'm getting on in me years just turned 50, employers are getting fussy about hiring when you hit this age, i know cos my previous job (the 1 before last contract) went to a younger guy. Anyway, been wanting to get into some sort of cleaning biz...