Background
20 year-old Huffy 18-speed bike purchased at K-Mart for <$100. Requires new tires every 5 years.
Path forward
This bike was green and purple with pink brake lines. I initially considered putting stickers on it. I then remembered I had some old spray paint including blackboard paint. 15 minutes of spraying and 2 minutes of chalking give me a new-looking bike that I can change the style anytime.