There are a number of kinds of expressions that border on, but are not, promises. To facilitate the drawing of distinctions between these expressions and promises, the discussion will be subdivided into several somewhat arbitrary categories.
It is well settled that statements of wishes, hopes, or desires are not considered to be promises or offers.” So also an estimate is not considered to be an offer. This is upon the theory that a reasonable man would conclude that the party who is giving an estimate is not promising that he will do the job for the price named but that he thinks that he can do the job for a sum in that neighborhood.