I really like this idea. Sometimes when you're trying to reorganize your cell or change it up you find a ton of junk and usually end up just throwing it outside your cell. Having the ability to create a simple Disposal sign on the wall would make it a lot easier to get rid of trash and could lower the amount of random items people drop on the floor and I don't see any immediate issues with giving players this ability.
I definitely agree with this. Even though I'm not even in A yet, I can already picture the end. There should be more enchants or something bigger to grind for, and I like your idea. Whether it's more enchantments, rare items, block milestone rewards, there just needs to be more to grind for than a max bpick and prestige because after a while most people will just get bored.
I think that it should stay. On such a small server, any scammers will be known pretty well and players can avoid them easily. I agree that scamming is scummy, but it does add a kind of risky side of doing deals. I understand that being scammed could be annoying but you can always learn from that experience and pay more attention in the future. If you do get scammed, you could try to let other players know about them or even try to scam them back. So even though it may be a stupid thing to do, I believe it adds a healthy balance to any prison server.