That blank wall in the living room is about to hold every book you own, looking like it grew right out of the drywall. Building a custom floating bookshelf takes a solid weekend of woodworking and mounting, plus a few days for the stain to cure. Late fall and winter are usually when lumber yards drop prices on sheet goods to clear out inventory before the new year.
Before you buy a single board, get at least two quotes from local woodworkers if you decide not to DIY this. Comparing bids keeps costs realistic and makes sure you are not overpaying for materials or labor. Once you have the final number, we can map out how to pay for it without stress.
Remember that the 0% intro APR for 15 months on purchases and balance transfers is a hard deadline, not free money. If you still have a remaining balance when those 15 months are up, interest will be charged on the original purchase amount from day one.