LED bulbs, instead of incandescent bulbs, save money on two fronts. A few people listed this as essential. First, like many large appliances, they are more energy efficient and consume less electricity.
A user pointed out that they paid 100 dollars for a dash and rear camera. After getting rear-ended a few years prior, they forwarded the footage to the police.
Footwear can save money in the long run. Someone pointed out they alternate between their two pairs of Hoka running shoes, allowing each a break so the foam can “bounce back to shape.”