The flagstone and gravel looks lovely, but it's a royal pain in the ass when you're trying to get all four legs of your chair on solid rock. It's great for a walk way, but not great for a seating area. I'd suggest regular pavers instead. You can do the standard brick type, or get the 12" or...
So there are a couple of things to consider. If it's letting water in that means water is collecting around the door. I would address that problem first. Keep the water off the door and door frame.
Having said that, if you're in a situation where there is water, fiberglass is better than steel...
Yeah, I hear what you are saying. You could take the money, buy a piece of plywood, make that your desk for now, and refinish it. If you got the polyurethane off, you could get the contrast of light/dark with the right oils and finishes.
No. I don't care for disgusting food. I prefer flavour. I'm in good shape, not overweight at all, do lots of cardio, and I eat food that is actually good.