Buying is the fastest way to get schnapps, but there are more cost-effective methods for long-term play: Saviour Schnapps - The Kingdom Come: Deliverance Wiki
If you have enough (the in-game currency), you can purchase Saviour Schnapps from various NPC vendors across the map. buy schnapps
: Some general merchants in larger settlements may also carry a limited supply. Strategic Acquisition & Alternatives Buying is the fastest way to get schnapps,
: These are the most common locations for quick purchases. Innkeepers generally stock the potion for a relatively low price. buy schnapps