Tool One Day < One Week > One Month
Auger $80/day $40/day $20/day
Nailgun $40/day $30/day $15/day
Tilesaw $60/day $45/day $30/day
Air Compressor $120/day $90/day $60/day
Generator $200/day $150/day $100/day

It doesn't make sense to pay a lot of money for a tool you may only use once or twice a year or for one specific project, leaving it to sit in your garage the remainder of the time. Sometimes you're better off renting. Here are some perks to renting tools instead of buying them: