If you want pew bows, they can be made quite inexpensively, but don’t decorate each pew. Decorate every other one for the first 10 rows or so. Ribbon for bows can get quite expensive, so doing every other pew is the frugal thing to do.
Speaking from experience, initial bow making can be extremely frustrating. Give yourself plenty of time and practice when you start this craft. While it may take a few tries to finally master it, once you do, you’ll start cranking out the bows fairly quickly. Pew Bows