What’s a used fish tank worth?

Is a free fish tank worth flipping?

Because a free fish tank costs $0, the resale price is almost all profit — minus your time and transport. The best flips are clean, complete, and easy to move. Freebox tags every free find with an estimated resale value so you only chase the fish tanks that pay off.

Recent free fish tanks & what they’re worth

Real free fish tanks Freebox is tracking, with estimated resale value on each.

All values are estimates, not guaranteed.

Used fish tank — frequently asked

What is a used fish tank worth?

A used fish tank typically resells for about $20–$200, depending on the brand, model, size, and condition. Higher-end or name-brand fish tanks sell for more; generic or worn ones for less. These are estimates, not guaranteed prices.

Is a free fish tank worth flipping?

Often, yes — because the item is free, the whole resale price is profit minus your time and transport. Freebox is tracking 5 free fish tanks right now with an estimated ~$400 in combined resale value. The best flips are clean, complete, and easy to move.

Where do people give away free fish tanks?

Curb alerts, moving giveaways, and "free" posts on local marketplaces. Freebox aggregates these across the US and tags each with an estimated resale value so you can see which free fish tanks are actually worth grabbing.