Not sure from what price work the Dave's service.. I have Ethereum wallet, there is 5 ETH coins, its 1700$ on latest day.
He said this is not economically feasible even start.. well, I think 500$ it is a good moneys anyway and they are not lay on the road you know.. maybe somebody know trustful service? I bet in this world not only one service and can be other the same guys. m?
cheers.