For those that do, it's huge. For those that don't, it's quite small.
And for the small ones, Wordpress or similar powers their laundromat. A good small business. As you say, one that takes effort to run. Stripes the banks POS, perhaps someone has some mid scale in Tide sales in the middleware SaaS, there can be a franchise that doesn't fully adapt to how many socks Vs fur local customers have.
But think laundromat. Local restaurant. Which are fine businesses.