Krista, I doubt you did anything wrong and think it likely that it is just the wind causing the issues. The wind here just isn't kind to anything these days....(sigh).....or most days. I usually don't stake bush beans, though at some times in the past I did so to keep them up off the ground. My ultimate solution was to plant more of them and plant them more closely together so they all hold each other up. That's one way to deal with it. They'll still produce fine even if lying flat on the ground, but when they fall over and lie on the ground, pests can climb onto the plants more easily. Bean plants that are lying on the ground also are more prone to foliar diseases. You can help prevent that by mulching the ground around them so that when it rains, the raindrops don't splash disease microorganisms up from the soil onto the plants. Now, as time goes on if you get all leaf and no flowers or beans that could be a sign of too much nitrogen in the soil, but if that is an issue, only time will tell. Sometimes the plants just make such good growth after rainfall or irrigation that they get topheavy and fall over. As the season goes on and the main stems get stronger, they usually won't fall over as much. I try to plant the bush beans in an area where they get some wind protection, but depending on how open your garden is to wind, that's not always a possibility if you're on flat, exposed land with nothing around to serve as a wind break. Dawn

Those walls are not load bearing - they only have to hold themselves up. If you want to feel secure, and especially if you are tiling and need a rigid floor, add some blocking across from joist to joist, using nail-on hangars where you can't get to the ends of the blocking. then put the subfloor back. http://www.diydeckplans.com/sites/default/files/image/building-guide/blocking/blocking-2.jpg

I think I can if I remove the ceiling of the floor below, which I have to anyway. I am using the kerdi schluter preformed foam pan, and will then put tile on top of that. Someone told me to just screw a 2x6 into the base of the frame of both walls, then screw the plywood into that and use it as a nailing edge. Would that work?

"What's really sad is that they are your neighbors, and you haven't ever just said hi?" Well, for the first part, they live further down the street, maybe 20-22 houses down to be more precise, so they're not really close neighbours, and for the second part, I work on evening shifts, leaving home at 2 o'clock and I come back usually around 12:45, so when I leave they are still at work and when I come back they're probably sleeping. When they are home in the morning then I'm sleeping. I did however speak with my second door neighbour, who confirmed he really just renovated his upstairs bathroom. Also, It is pretty obvious they did have sewer problems; I have seen plumbers replace their sewer lines from the street to their houses, and lots of drywall, flooring and carpeting went into dumpsters. On two houses, the city even got involved and parts of the street were opened up to perform work down below. So, I might be wrong, but I think it's safe to say there's a 90% chance if I go see them, if they don't tell me to fly off, they will tell me they had sewer problems. Perhaps I could try to get a hold of them during weekends and ask them about the specific reason why they needed the work done, but I thought someone on this forum might already have a clue. I will however ask one or two good plumbers for their opinions.