A couple of things to consider... Are you renting out the space just for an extra income? The reason I ask is because if your not currently booked out 24/7 yourself you really need the clients that come through your door! you are inevitably going to have to share the clients that walk in, if your doing a client & another walks in it won't be a matter of asking them to wait 5 mins till you've finished & then you get the client & the money, it will be that the client goes to your new stylist who's sat there twiddling her thumbs, the client then becomes theirs, that's a hard pill to swallow I hate that.
I'd make them get their own phone number so that they don't jump on YOUR shop phone when it rings thus loosing you another customer!
A chair renter dosent realistically need a booking system there's nothing wrong with a book, pushing a new business owner into things like that will seem OTT, my chair renters think I'm nuts paying good money out for mine... Their not as business minded as me tho
Why have the same product lines? Me & my renter don't, our clients are very different and like different things. We came from different salon backgrounds, I couldn't work with the products she uses & she has no clue how to work with mine, also a thought, if your buying 2 cans of hairspray (just for example) that recipt goes through your books, you sell one to her for £5 (cost price I assume) your not making anything on it, why bother I wonder? Couldn't they get their own account and put it through their own business? If storage is so limited maybe you'd be better off giving commission to sell your products?
Renters always say all the right things in an interview, they have a client base etc but it's very rarely as they say, a few family members is not a client base. Ideally you need a mobile stylist who can't cope with the travelling between clients because their too busy! Or like in my case they pinched a load of numbers from the last salon they worked in!
I think if you respect their business you should let them run it as they see fit, not try to bend it all around what you want it to be like, it's hard enough trying to work with someone new if they feel your trying to take control of their business in any way it could cause friction.
I rented beauty out on a weekly rent after Xmas in 2014 & the lady was hardly ever there, her perogative I inow but it drove me nuts! And there was nothing I could do about it except explain when she moaned about money the reason her takings were so shit was because she was never there & perhaps she should come in more, it went down like a bucket of rocks & she left soon after
My current nail lady does exactly as she pleases as does my stylist, I never interfere in their businesses unless they ask me. We work brilliantly that way