I have received three bids for a new in-ground pool each the prices vary are +-1K from the middle bid. However, It seems the two higher cost PBs do not want to negotiate at all even with just including something extra for the current price. Is this common for them to not want to negotiate as this is their busy season. I am wondering if I should wait until the fall. I was inclined to actually go with the mid-range bid, but I asked the designer some questions to compare one of the other PBs, and he just told me that he didn't build cheaply made pools (they have similar build practices, actually the other might have an edge how they place the rebar and they use the same equipment). After that I might either ask for a new designer or just no use them at all.