I'm afraid we can't possibly stop you from dreaming... it's all part and parcel of the quilting bug. lol! There's no escape!
Regarding making a profit, I've given up and just make them for family and friends as gifts because I love making them. Some people just don't seem to realise the cost of the fabric plus the amount of hours put into making a handcrafted quilt.
You can actually see the thought process as you go through explaining the the costing... "Oh, I can buy one cheaper at 'such-a-shop'.
No they can't, actually, because each handcrafted quilt is individually made from high quality fabric and and not mass produced.
Keep dreaming and have fun
Joanne