Amazing article on CNN today about a rental car shortage and resulting absurd rates here in the US, which likely means it can apply in Europa as well. $300 a day for a Kia, not a week.
https://www.cnn.com/2021/03/25/business/rental-car-shortage-price-spike/index.html
"During this period of pent-up demand for travel but not enough supply, you should expect prices would be higher than in the past. The travel providers are testing the waters. We're in uncharted territory. They've all lost a lot money in the last year."