I think teams coming up THIS season are seeing the effect of the increased TV income. I think when Leicester won the league it
1. Reflected a period where income was up but transfers hadn't caught up, so Leicester were able to jump ahead to a degree.
2. Made the 'BIG' teams realize that...
I saw it mentioned on twitter that Paul Barber was on Talksport today and said there would be nobody coming in over the next couple of days...
Hope that helps with the anxiety...
I agree with your analysis, although I would only be happy to start the season with 5 additions:
1 Goalkeeper
1 Right Back
1 Central Midfielder
1 Winger
1 Very Good Striker
Edit to add:
Actually to START I'd accept the current keepers... so only 4