Okay, here are my thoughts in bold below each of your points:
1).His mention of a dream he had re the Eagles wife. (Sorry, am unclear on this. But, it sure seemed like a planned foreshadowing)
I remember the post BB made on his FB around March 6 or 7. As I remember it, it wasn't a dream - he just said that it had popped into his mind. I could be wrong about the dream part. But what I am sure of is that he wasn't thinking about Meisner's wife - he just said that it was Meisner himself who had been on his mind or that he had a dream or whatever. He made his FB post the next day after seeing a news article about it. I would also note that Randy Meisner didn't kill his wife; it was ruled a freak accident. If BB was engaging in some kind of "planned foreshadowing", how dumb would it be to make a post on your public facebook less than a month and a half before having her killed?
2). His FB remarks regarding the weather situation before his flight to his fishing trip. (Alert: I may not make it out of Dallas so hold off on the Plan until you know I'm in Mississippi. )
If I were sitting in an airport, being advised that there might be a weather delay, I might post something about it just so my friends and family are aware of the situation. To me, that's more likely than BB communicating with some unknown actor about a Plan that we have absolutely no evidence of.
3). A FB photo (not one he took) of a restaurant in the area of his fishing trip. (I made it! My FB now shows there's no way I am near my home. My alibi is set.
As I recall, it was pointed out after much debate on here that BB probably did a Facebook "check in" to his hotel, and Facebook automatically associated a photo of that place and posted it with the check-in. I could be wrong about that, but that's what I recall.
4). Once he returned home he told the inteviewers he was certain she had not been targeted. But then changes his mind after the prevailing theory says otherwise.
I admit this is a little suspicious. I remember at the time being curious because what he said and what LE was saying didn't match up. But let's face it - it was an unreal situation, and sometimes a little time has to pass to get perspective on a situation. These were the immediate hours and days after the event happened. And LE themselves have gone back and forth. That first day they said they thought it was a burglary. Later, they said they believed she was targeted. Months later, their thinking had shifted again to "untargeted hit". So I don't blame BB for changing his own mind, too.
5). Made incoherent postings on FB. (Why are you posting on FB when your girls need your comfort and support?)
My own rule of thumb is to never try to tell someone else how to grieve. And I never read anything from him that I would consider incoherent.
6). His Father doesn't make it back to be with his son until several days after the murder.
(I thought this odd only in that I'd need and want my father there right away.)
His father lived half a country away. Nothing has been said about exactly where RB was on the West Coast or what he was doing when notified. Also, I could be wrong about this but I've never gotten the impression that BB and RB are particularly close. It's BB's mother who worked with MB and introduced them. She lives with them. It's her company that BB works for. I think he is much, much closer to his mother than he is to his father.
7). BB'S frequent interviews with anyone holding a mike.
That first day, the pool of reporters were waiting for BB when he pulled into the driveway. He made several comments about how he hoped this would be it, that they would take his interview and distribute it where it needed to go and that he wouldn't have to repeat himself. There were a couple of other interviews - one sit-down with the guy from the TV station, and a few others. But those were all in the first month or two. I wouldn't necessarily call them "frequent". And anyway, if I wanted my wife's killer caught, I'd give interviews in the hope that new articles about the case would keep it in the forefront of people's minds in order to help solve the case. At least, until I found that every time I opened my mouth about the case, people on social media would find fault with it. Which is what happened with BB and his family, and led to "radio silence" from all of them in the last several months.
8). BB'S frequent trips to the P.D. to clue them in on things he remembered but forgot to tell them. (checking out the status and trying to direct the investigation with his suggestions).
Could go either way. I know that's something that LE looks for. But at the same time, LE hasn't given even the slightest indication that BB has raised their suspicions toward him in any way. And if I were in BB's shoes and I were innocent, I would be trying to help in any way I could. So again, this could be a "damned if he does, damned if he doesn't" scenario for BB.
9). The recent release of the affidavit saying BB was the one who told MPD about CW. In other words, he knew about her affair(s). (This alone would not have bothered me but did MB tell him all her secrets? If he knew about this one, certainly he'd know about the rest)
Well, we knew that some sort of infidelity on her part was common knowledge, because BB's sister said that she knew of something that had happened a year and a half earlier. That would have preceded CW - unless CW was the original affair and then she took up with him again in 2015. But anyway, if BB's sister already knew of an affair in the past, it stands to reason that BB also knew. And just because he knew doesn't mean that MB "told him all her secrets". He might have found out some other way. But I don't see how him knowing about a previous affair makes him suspicious, as he certainly wasn't the only one who knew.
10). He and his Father were summoned to the PD because the area cleaners called to tell them RB brought in a bloodstained shirt. (It was later revealed that the blood was from his dog who had bled on him.
But why take a shirt to the cleaners to have blood removed from a beloved pet? (They were checking to see if the cleaners would give them up to the PD.)
Why would you intentionally expose yourself like that? It makes no sense. What does make sense is that RB and VB came to Texas with limited wardrobe, and maybe that shirt was something VB planned to wear to the funeral and thought if she could get it clean, it would save her from having to go shopping.
11). He didn't want to know how she was murdered. (I'm with him on this but.....)
I'm with him, too.
This is just a list and the reasons I think BB was somehow involved.
One can poke holes in any one of these reasons but the entire list? Well, if we carry a bias into it, every question we come up with and answer under bias is going to be affected. That goes for me, too, in my responses to what you said. So it doesn't matter how long the list is. It doesn't make it more likely he did it, or more likely that he didn't do it, just because we make that long list and then answer in our own way.
