Don't plan on making a ton of money. You see a lot of hand-made crafts for sale. A lot of people show interest; but not many willing to pay high prices. I tried twice to sell hand made yarmulkes. First time was in 1986. I made 100 crocheted yarmulkes for my son's Bar Mitzvah. They were a big hit. President of Sisterhood requested that I make some for the
Chanukah bazaar. I made over 100. Asked $8.00 piece. Only sold about nine or ten. One lady had the chutzpah (nerve)to tell me that the price was too high but would I please give her my pattern!
Last year I tried sewing yarmulkes with sports themed fabric. Same story. Barely made enough money to break even.
Thought about etsy and eBay but there was a lot of competition and it didn't appear that people listing similar items were making a lot of sales.