While photo printers can usually be used for general-purpose printing as well, they may be more expensive than general purpose printers and the ink cartridges may also be more expensive for some models.
Color: If most of your stickers are general-purpose embellishments, sorting by dominant color is a simple yet highly effective organizational strategy.
Projector Superstore is a general-purpose home theater store that has everything you need to get your family's home theater up and running.
One place I found that offers smaller packages of general-purpose soy wax is KY Candle Supply.
Many general-purpose cleaners are effective in cleaning grout.