Looking to lower your water bill significantly? Replacing your old toilet with an upgraded low-flow or dual-flush model is an easy way to accomplish that.

While at the hardware store, I found the toilet options to be vast. Depending on your needs and budget, you could choose a toilet for less than $150, or splurge on a smart toilet with an automatic lid and flush for more than $1,200.

Regardless of your choice, learning how to replace a toilet can be a money-saver for DIY-minded homeowners. It took me less than a day to replace my toilet, and taking measurements before heading to home center saved me time in the long run. If you’re installing the toilet near a counter or other fixed objects in the bathroom, make sure there’s enough space for the toilet tank to fit.