Tacklife Heat Gun, $30 with code DJ9R4QU4

A heat gun probably isn’t something you’ll use every day, but it’s definitely worth having one in your toolbox; just look at a few of the ideas from Lifehacker below. This model is a bit more expensive than some others we’ve seen, but it has three temperature settings (including a 122 degree cool-down mode), and four attachments to help you channel the heat properly for different jobs.