Agreed.Mina will be fine in a league that's less physically demanding I'm sure.
Allan is actually a good player played correctly. Sarri loves him, Lazio have been linked a lot. Sure he'd probably end up going back there.
Moving Allan and Mina on isn't going to be an issue. They are good enough to be playing for other sides that will pay - even if we won't get our money back. Mina's only 27 ffs. It's moving, as it always has been, the likes of Gomes, Holgate, Keane (he'd probably stay anyway) on.
If Everton stay up we are actually in a good position to hit the reset button as we have Delph, Tosun, Sigurdsson and Kenny all leaving on frees and the first three of them account for about £300k per-week combined
I think Holgate(if he leaves) would be sold for decent money as well.
Gomes will be difficult to move unless he gets the chance to move back to Portugal, possibly as part of a deal, although wages will be a problem.
I think the manager would be happy to keep Michael Keane (unless some club makes a good offer) , we can't sell all our players and he would certainly be a useful squad member.