not 10% of the profit, but the sale price

You bought a new len $2000 from Amazin, the seller paid AMZN $200 commision.

Five yeras, you sold it as used at $1000 at AMZN, you paid AMZN $100 comission, got real money $900.

You do not have any profit! 

所有跟帖： 

• Yes, sales price = revenue, profit = revenue- operation cost -晓炎- ♀ (173 bytes) () 10/21/2025 postreply 19:15:54