8. Temporary Vehicle Air Conditioning
Estimated New Cost: $600–1000*; Estimated DIY Cost: $300*
A few decades ago, having air conditioning in your car was considered the height of luxury. Although it wasn’t standard on every car today, it almost always is. In certain states, the heat can be so intense that driving is nearly impossible without air conditioning.

Repurposed Automobile AC @u/Pantelima/RReddit.com
There are plenty of options, such as spending between $600-$1000 on an AC installation, but why choose the easy route when there is a more difficult one? This guy probably spent a few hundred dollars on the AC unit, but in order to install it, they had to wreck their automobile and inflict costly damage. Was it worthwhile?
We can’t help but think that the police wouldn’t like to see this device flying down the highway, but only the owner can answer that. Nobody likes to travel behind that since it doesn’t appear like it could withstand a bump in the road.
