How much is T-Rex worth?
The physical T-Rex fruit trades for around 22M. The permanent version is worth about 2.13B. In the shop it costs 2,700,000 Beli, or 2,350 Robux for the perm.
Demand for T-Rex is 7 out of 10. That's high, so you should be able to trade it quickly.
What can you get for T-Rex?
Fruits with a similar value make a fair swap. The list below shows fruits close to T-Rex in value. Use the trade calculator to check a full offer before you accept.