In countries with a functioning market and healthy competition (high number of online stores per capita), there are online store aggregators where you just sear

In countries with a functioning market and healthy competition (high number of online stores per capita), there are online store aggregators where you just search for the product you want and it gives you links to all the stores. Sorted by price, rating, etc. https://geizhals.at/ https://geizhals.at/ https://heureka.cz/ https://heureka.cz/