Prices for graphic cards (GPUs) have skyrocketed this past year. The shortage of the cards appears to have been caused by their use in “bit coin mining” which requires massive calculations (and huge amounts of electricity).
This made it hard for game enthusiasts as cards became very expensive. Last year, Microsoft introduced Flight Simulator (2020) which also caused many gamers to try and upgrade their systems, also increasing demand.
Source: AMD, Nvidia GPUs Could Be More Affordable Real Soon | Tom’s Hardware