If you're actively trying to sell your player then of course the bids are going to be lower, think of the other way round when the asking price is less than the value for a transfer listed player you're trying to buy.
You kind of answered your own question.
Like you said, you have seven players joining which will have a massive impact on your wade budget.
Plus, if you have offered contracts to other players then this will reduce the wage you are able to offer to players now.
Haha some quite extravagant ones!
While watching a match I always put the mouse cursor just below the ratings screen in the middle, just to the left of centre. Then I double click when it's in place and do this about 10 times a match.
I didn't get relieved of Carson until a couple of months before the end of my second season. Doing pretty steadily in the Prem now, fourth season. I even kept Zig on as a coach.
Just keep Zig. I did as I had trouble shifting him believe it or not. He was comfortably top scorer and I gave him another year on his contract and he was top scorer in my first Prem season too.