Was looking around for the cheapest copy of Catherine Full Body for Switch which is released on Tuesday, cheapest delivered I could find is $73 from the Gamesmen on eBay. eBay Plus isn't required for the discount but it does give you free Express Post.
For reference Amazon is $75 and EB Games is $90. I did find it at Critial Hit for $72 but that requires pickup and their website also states that preorders needed to be in by last Friday.
damn, switch tax. The PS4 digital version was $25.95 about 2 months ago