IIRC at least one member is in the laundrette business. Maybe he will see this thread and chime in with comments.
OTOH can tell you owning a laundromat is not the easy quick way to riches laundry equipment vendors would have people believe.
SQ, Wascomat and others have those seminars with slick promotions, glossy handouts all about how one can build wealth and financial security owning a mat. That may be true, but it is very hard work and not everyone succeeds. Equipment companies want to get people on the hook for leasing washers, dryers, etc...
FWIU in many urban areas like NYC, SF, LA, etc... self serve laundromats are a dying business. Influx of new construction housing for higher income people most always either includes washer/dryer in apartments (or at least connections), or there is a central laundry room on site. Our local laundromat says they make most of their money doing wash and fold service.
Service washes, laundry services also are cutting into laundromat business. People just don't want to bother so they either drop things off at local laundromat (service wash), or use one of the various collect and delivery services/apps.
https://www.theatlantic.com/busines...ne-american-laundromat-gentrification/535257/
All this being said for someone with a good head on his shoulders, and is willing to roll up his sleeves a laundromat can be a good business.
https://napavalleyregister.com/busi...cle_17a8ed0a-a8a6-57ac-9f7b-f88b78cb8783.html
Probably best way to get started is by buying an existing laundromat (again with eyes open wide), but as noted in above linked article owners of good ones often aren't interested in selling. However if homework is done and spot a diamond in rough (a place that has potential), things can different.