The Internet is your frenemy when it comes to wedding planning. Websites like Pinterest are full of enticing images of all kinds of wedding paraphernalia—with no price tags attached.
There are also lots of sites that point to ways to save. Bridalbrokerage.com lets you buy up the fixings from weddings that got cancelled, and tradesy.com offers a range of almost-new wedding dresses.
Projectwedding.com offers tips on how to resell things, like unused table linens.