Disk Drive Prices 1955-2019 (a professor graphs the trend the cheapest price/MB since 1955, last updated 2019Aug17, I'll link the actual data table in comments) : r/DataHoarder
Apple MacBook Pro 16" (1TB SSD, Intel Core i9 9th Gen., 4.80 GHz, 16GB) Laptop - Space Gray - MVVK2LL/A (November, 2019) for sale online | eBay