Christina Umerez was working a full-time job when she first started an Etsy store selling custom pet portraits in 2020 to make some extra money. Trending Now: Here’s How to Avoid a Huge Tax Bill After a Successful Side Gig For You: 8 Unusual Ways To Make Extra Money That Actually Work While she had the goal of eventually making enough money to quit her job and spend more time traveling, it wasn’t until she switched to a print-on-demand business model in 2021 that she realized her dream could actually beco ...