Out of the box, the Quality Size Limits are essentially blank. It’s a bit of work for one person to determine good values for each quality as there are a lot of factors involved, so I figure if enough of us add our custom size limits here, we can eventually arrive at a consensus for some defaults.
So far, I’ve only messed with the 1080p settings, as I ran into a few occasions where releases weren’t grabbed as they were considered too large or small, so after trial and error I have the following:
This may end up being tweaked again of course if I run into a file that doesn’t fit those criteria, but so far this has been working. Perhaps someone else in this thread will suggest better figures and I’ll switch to that, but that’s why we’re here 
So, if you’ve added custom size limits, add them here!
Ps. I know 723.52 is super specific, but it’s not meant to be, it’s just approx 