Through inflation the price today is the same as it was 40 years ago. Today's releases, minus the premium presses, might have a higher warp average due to the limited number of pressing plants (when compared to "back then"). They're overburdened beyond belief and tend to sleeve albums before cooling, causing the warp. Of course there are a handful of pressing plants left that take pride in QC.
It's never been warping for me always , noisy and scratchy being the major factors . Once again . me personally , I have never seen any new HQ touted vinyl priced for under $20 . Unless it is on closeout .