One thing the course won't teach you is that there are plenty of alternatives to prochem products... many of them much better, not just in cleaning results but convenience and economy. Multi Pro's dilution rate is hilarious, you might as well just pour it on neat (or burn a few £20 notes out on the front lawn). You can get excellent products that dilute at ratios of well over 1:100, or powdered products that go a long long way.
You can train a monkey to switch a machine on and off, and push a wand over a carpet. That's what your basic free training will do, plus intentionally try to frighten you a bit so you don't go charging in gung-ho at every job without stopping to think what could go wrong (particularly applies to upholstery)
Once you've learned how to clean carpets & upholstery safely, then you learn how to clean them well, and it doesn't happen overnight. Unfortunately (for them) your early customers are going to be your guinea pigs but as long as you try your hardest and you don't make a complete arse of it you shouldn't leave anyone disappointed... but after a year or two you'll certainly want to go back to those customers and show them (and yourself) that you can do it better now.... if only the speed or drying times, if not the look of the carpets.
However, to begin with you will not be cleaning to the same standard as someone with 10 years experience and all the best equipment, so position yourself in the market accordingly
