I'm selling a wristwatch, price around £800, and tips to avoid the "empty box" scam from buyers.

[windsordavies]

On watch forums there are quite a few stories of watches being sold and when received the recipient claiming that the box was empty then ebay siding with the buyer and the seller loses the watch and the money. I have sold a few watches over the years but this is by far the most expensive so hoping for some tips to mitigate the danger of this happening. Also as a further question I have posted in the past using Royal Mail Next Day before 1PM which covers up to £500 but I see they also do an additional cover up to £2500 but as I've never used this option could someone tell me if this is something I can arrange at the time of posting or is it something I have to set up before hand. 

Thanks

[roger_roger_over_and_nowt]

There is no 100% sure way of not getting scammed no matter what you do.

Don't list anything you cannot afford to lose.

[plpmr]

unless cash on collection.