Liberty looks nice, but use very thin steel, in all but their top models. Their “National Security” line uses thicker steel. On the vast majority of RSC, the steel is the only thing keeping stuff secure. Liberty just doesn’t offer much bang-for-buck. Superior Safes come in much less expensive and with thicker steel. For a “real” safe, Brown Safe, Hollon, and a few others make nice TL-15/TL-30 gun safes. In the safe world, the best bang-for-buck is to buy a used TL-15 or TL-30. It will not be as pretty (will likely be ugly) and will be much worse to move (very heavy), but your stuff will actually be secure.
One of my safes is an old AMSEC. It’s only 11 gauge sides and a quart inch plate door. This is the minimum I consider worth having to put stuff in. I have some very nice tools. My AMSEC would only add a few minutes to a bad guy’s time on target, even if he grabbed the incorrect tools and went after it. I also have a very old safe I keep some ammunition in. Personally, I like plate doors over the formed thin doors. Formed doors under plate is even better.