Even on Etsy, lots of shops these days are offering products with screen printing. You could do this at home, you probably need the space to mess around with paint :-), but you can find lots of tutorials online.
Let's have a look at the lovely ideas I have gathered from the net, lovely for fashion items or to decorate your home with in a funny way.
Top 1, 2, 3
Bottom 7, 6, 5, 4