I did not have the time to read the full original post - but if you want to break down some of the activities of the offseason which are - if not realistic at least plausible.
1. Get some stability at 3B. I am not actually sure we should bail on Shaw - or for that matter Sandoval. If either of them are the team's 8th best position player, that is not shabby at all. Perhaps see if you can bring Aaron Hill back on short money as a right handed caddy (I am of course assuming this past year was a fluke as midseason trades often are). Either way, whether you are a believer in Moncada or Devers - this is not a position which will get a huge FA commitment
2. DH - Encarnacion will require a big commitment, although his power is pretty special. But if they wanted to go after a more "pretty good" sort of alternative like say Carlos Beltran, it would make sense as well. Another option could be Ian Desmond. Desmond's ability to fake multiple positions can be useful here as well.
3. Getting relievers with stuff is always an idea.
4. The Sox have prospects - the Sox have young big league studs. I do not expect the Sox to land a stud starter via trade (because that is not the sort of thing you should expect anyway). But there are packages which could work for a really good starter - and we know Dombrowski has the license to go there.