Indoor dog exercise unit

[GAL001]

Hi all, don't post much on this section but would like some opinions please, would any dog owners pay to use an indoor area where you could exercise your dogs in private, not always easy getting them out in the rain and with the alleged heat wave coming that's another problem.
Wouldn't be just for dogs mind, could run your cat off lol!
All opinions welcome.
Thanks,

Gary

[GAL001]

Wow, no replies, not even slating it lol, oh well back to cars!