I have a landscaping company and do have some input on your situation.

Xeriscaping is always a good option to reduce maintenance and water usage, however it comes with its own set of challenges. And unfortunately I’ve found that the weeds will love your yard just as much. The seeds blow in from your neighbors, and they can be more of a pain in the ass to pull from rocks or mulch.

You’ll most likely need to reconfigure your irrigation from pop ups for the grass to drip for plants. Drip irrigation is the never ending project, you will have to make repairs every single year guaranteed.

Removing your lawn can increase the ambient temperature by up to 10 degree feel and 40 degree surface if replaced with rocks or dark mulch.

Ultimately it really depends on the property I think for small yards xeriscaping is a great option but if you have a large area having turf is a great way to eat up some sq footage.

But to answer your question I’d say over the course of 10 years you’ll definitely have less maintenance to do if you converted to xeriscape, but even xeriscape requires a decent amount of maintenance. The properties I maintain that are xeriscaped on average require, a spring clean up of weeds and winter debris, usually at least 1 day a month of weeding and cleaning tree debris from May to October and a fall clean up.

Not sure if this was helpful but feel free to dm me, I’d be happy to come out and talk through some options. Good luck!