Can Unusual Flask be bought on the auction house?

No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.

How much does Unusual Flask cost on the auction house?

No auction house scans for Normal Horde yet. The price appears here after the first scan from the AHledger addon.

No. The Forever beta keeps the same item level, requirements, and vendor prices as Classic Era.

Uncommon junk · item level 60 · requires 1 · id 227924

Unusual Flask is an uncommon junk item in World of Warcraft: Forever. It has item level 60 and binds when picked up. Use: Collect Hot Springs Water.

The item reads: "An unusual mixture that smells foul and emanates a strange power."

Computed from the Forever beta client's item tables, the same way the game builds the tooltip. Beta values can change before launch.

What is Unusual Flask?: Unusual Flask is an uncommon junk item in World of Warcraft: Forever. It has item level 60 and binds when picked up.
Can Unusual Flask be bought on the auction house?: No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.
What does Unusual Flask do?: Use: Collect Hot Springs Water.
How much does Unusual Flask cost on the auction house?: No auction house scans for Normal Horde yet. The price appears here after the first scan from the AHledger addon.
Is Unusual Flask different in Forever than in Classic Era?: No. The Forever beta keeps the same item level, requirements, and vendor prices as Classic Era.