Admin two installs of HA,. backup and more?

I have two sites, my house and my cabin, I want to put my old pi 4 into my cabin and drop tuya there and use HA insted, I am using an old backup of my house install, (stupid?) changed the name in system and removed all stuff that wasent gona be in my cabin, plugs and lights and stuff, but since I use the same login and password the backup from them both are mixed on my online space if I go into system/backup on both installs I can see the same online backups made, is there a way to add prefix to them?
Also is there a disadvantage to use the same login and pw?
My cabin has limited 30GB cap traffic each month so I dont whant to merge them or something…
Before posting this I asked the name who we dont talk about here and “it” toold me not to due to risk of mixing them up.
Soo new install and seperate admins and password it is. :slight_smile:

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