Ok, double voting with the same Steem Power is possible, but it is also profitable? Keep in mind that both accounts now are not able to vote the next 7 days with the delegated SP. Meantime other accounts can vote 10 times with 100% per day.

Because it is right there in @twinners post, but I think I understand what was confusing me , I was thinking the trades were taking a whole week and they don't he is doing it all in one day. Thank you @improv