Gacha priecing seems rather expensive : r/Genshin_Impact
In-Game Purchase Price Comparison Table (USD) — I made this guide to make it easier for me to think about the dollar value of the different options. Hope it's useful to someone
Primo Gems cost Genshin Impact | HoYoLAB
Genshin Impact Currency Guide: All types, how to get them, and what they are used for | GINX Esports TV