To give the briefest version of my story possible: I live in a rental home that was almost completely remodeled and renovated by the homeowner six months ago. We moved in three and a half months ago. I have not spent much time in the basement for various reasons, but I had begun to notice the odd crack and split in the drywall a few weeks ago while I was down there. I finally went down today for a full inspection and there is a ton more damage than I thought. There is a horizontal line that runs across almost every wall, as well as several other vertical splits in various places. There was no evidence of damage anywhere when we moved in. Most look fairly minor and my husband thinks that it's because of a bad drywall job (admittedly, we could see tape lines in a few places from the get-go), but I'm not so sure. The finishes are nice, but most have a very DIY feel and I'm starting to wonder if there's any chance these cracks might be symptomatic of something bigger. I'm thinking the lode-bearing wall down there might not carrying its weight properly - the support pillar is also cracking and sounds hollow (I thought they were typically supposed to be solid concrete?). I don't know enough about home structure to be at all sure, though. If more info/pictures would be help, please let me know and I'll do my best to provide it. Thanks in advance for your insight.