There is another important argument to make for making competitive difference.
If you don't make competitive difference you may actually lose allot of money.
For those hoe also have an account on Ts, keep in mind that you may actually sell almost noting over here when your models are priced the same as on Ts.
Argument; When a regular Ts client (80 to 90% of total) discovers your model on Ts (considers it best offer up there) but is not really sure it's the best offer on the net, he will alternatively try to find some more similar models somewhere ells to get more comparisons. 8 out of 10 customers up here are these alternative searchers, so when they maybe find no better offer up here but instead only the same offer for same price, they will in this case see no reason to waste additional time to make an account and use the account they already have on Ts.
In this case you will actually lose allot of money by diverting these potential customers back to Ts where you will give away a 60% cut.