I just wrote about this last week... Maybe my observations will help. And yes, the easiest solution is to buy your way out of it, but that isn't an option for me. I do know that this week has been worse than usual. One day this week, I wasn't able to post until 5pm when I started trying at 7am!
https://steemit.com/steemit/@viking-ventures/steemit-for-newbs-part-2-bandwidth