you can go to your local beauty supply store and get bottles brushes, gloves and everything else you need for cleaning. haircolor brushes and clipper brushes are great tools. everything is very cheap and some come in bulk.
answer to microfiber couch- I have 2 boys (3 and 1) and I sit for 2 girls (almost 2 and 1). I use my carpet steam cleaner once a month with the soft brush attachment to clean my micro fiber couch. Resolve carpet cleaner is what I found works best for stains and keeps it smelling fresh and soft.
For everyone who loves to use baby oil, they now have a concentrated baby oil gel. Lasts longer, very cheap, and not as messy. But only found in the baby aisle.