Prices for sugar & alcohol

What price is the adequate for selling sugar & alcohol?
I'm asking this because I've seen people selling some sugar for 100g ea for level up in the title, but my theory for price is, for example,
- if Bottle of Red Wine costs 400g at merch and levels up 1 point in title, Flasks that level up 3 points should be sold at 550g ea.
- if Red Bean Cakes costs 400g at merch and levels up 2 point in title, Crèmes that level up 3 points should be sold 500g ea.
Why is people selling them so cheap?

EDIT: I haven't found a thread with this topic. If there is one, plz, can anyone put the link? I'd like to read it.
EDIT: I don't want the title, the thing is that I've got some sugar & alcohol for selling but I don't think that the price the people ask is fair, according to merch and Red bean Cakes & Rice Wine.

People sell for 100g from what ive seen. They cant sell the brulee so they make it better to buy from them than the merchant

Rice Wine is extremely overpriced. I don't think anyone in there right mind would use that for the title.

100g for Blue Sugar Drink is fair as it's worth 5 tokens and tokens are worth 20g each

If you want Sweet Tooth from tokens buy Creme's as they are 3 points for 10 tokens

QFT. You can get Hunter's ale for 200g from the merchants in Elona & Tyria that will net you the same outcome (1 level of drunkeness). Based off that, I think fair prices for alcohol from other players would be 100g per minute.

100g for Rice Wine, Hunter's Ale, etc.
300g for Firewater (3 levels, accoring to Wiki)
500g for Spiked Eggnog.

I don't know anything about the sweet-tooth things, as that's something that's never interested me.

(Seems odd that 10 victory tokens will get you a rice wine OR a firewater since they have different durations.)