Sometimes, a personal budget just won't stretch far enough to buy premium brands of make up. In these circumstances, unless you're willing to go make up free - and who is ever willing to go make up free?
Tutorial on how to properly clean your makeup brushes. (T of white vinegar in a cup of hot water, 20 minute soak; hot then cold rinse and pat dry.) Disinfects, dissolves grease/makeup, leaves no film, and inexpensive.