¯\_(ツ)_/¯
Doing it free means they won’t take care of it or care. Don’t dump that on yourself.
10 is perfectly great, 7 was not bad at all.
no details at the moment, but I upload nearly 1Tb / day of media. so 25TB per month UPLOAD, you can imagine my downloads.
You can buy the rails by themselves if you wanted to make your own. Using finished lumber works very well if you’re handy with tools.
https://amzn.to/3Fi1oM5
I made my own, but normal size to fit a specific space in my closet.
https://youtu.be/3p9ndubTu8w
I made mine like this - https://youtu.be/j8Yq5aWapeg