Wow, there is a lot more to take into consideration than I thought. There is no problem with moisture in the basement. One corner had, at one point before we bought, a small amount of water in one corner. Most likely because they had the downspout in that corner. Other than that the walls are in great shape. In our last house it was recommended that we put down a vapor barrier before our flooring. In this house we're thinking the 1960's tile works as the vapor barrier. But it would be nice if the floor was warmer than our last house. It stayed pretty cool down there all the time. Also since the house was built in the 60's ( and not the best built house) the floor is not perfectly level. We thought if we used dricore it would allow us to level the few spots that are slightly higher and the floor would be much warmer. If there is a cheaper way to achieve the same result I am all for it.
Again thanks for the input. There is a lot of food for thought, especially when I love to do the dyi thing and want to do it right. Warmth is my main concern.
The insulation then plywood sounds like an awesome way to go. I'll have to check out prices.
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