No problem!
The 24/24 holds quite a bit, for comparison think of the Birkin 30. I use my Céline large trio crossbody as SLGs, all three Céline pouches fit well inside my B30. But the opening of the 24/24 only allows two of the pouches to fit comfortably. If I need to, I put the third pouch in empty and then fill it once it is inside.
I have the 29 size so thankfully it has a shoulder strap that I usually wear with it, I don’t notice any heaviness... about the same as my B30.
If you are going to reach inside quite often, it is easier to leave the flap open & then close it when you are done shopping. If I think I won’t use my shoulder strap, I keep it in my dust bag, in case lunch with a friend turns into shopping, I have it with me.
I love this bag and sometimes feel weird that I reach for it as much as my Birkin (I thought my Birkin would be my absolute favorite of all time and the only bag I ever use), it works so well for casual and under the radar Hermès style.
Bonus.... I am extremely happy with the back pocket for my phone! I use the inside pocket for my pen, valet stubs or parking tickets that need validation, and receipts for all of my shopping purchases.
I hope this helps! But please don’t go buying them all, I would like a few in other colors