Mirror the comments on getting the HomeDepot
adjustable sawhorses. Not too expensive and found the adjustable height useful when dimpling larger skins.
Granted, if you already have some sawhorses, get a few pieces of 2x4 cutoffs (or whatever scrap you have around) and stack them on top of your sawhorses to lift the tailcone. Having an assortment of scrap lumber can be quite helpful throughout the build anyway! There are always a number of ways to solve a problem