I've just started in the forum today and found your post. I really don't think you should quit at all! Quilting really does not need to be expensive. There are so many gadgets out there and honestly, some of them are handy and others are just gadgets! I always keep in mind the women of old who quilted with poor lighting, very little fabrics on hand and turned out some beautiful quilts with very little. Keep things simple for now and keep finding those great deals you are so good at. You can find fabrics from old clothes in thrift shops and use those for quilting. There are also good deals out there on fabrics from some online fabric companies.
Good luck to you and keep on quilting!