How much is Rubber worth?
The physical Rubber fruit trades for around 700K. The permanent version is worth about 1.1B. In the shop it costs 750,000 Beli, or 1,200 Robux for the perm.
Demand for Rubber is 2 out of 10. That's low, so expect to wait, or add it as an extra in a bigger trade.
What can you get for Rubber?
Fruits with a similar value make a fair swap. The list below shows fruits close to Rubber in value. Use the trade calculator to check a full offer before you accept.