How long did it take you to end up selling all of that? I find it hilarious you had over 4000 pounds lol.
The hard part was once I widdled it down to the expensive stuff. I actually had a lot of it, and some stacks of stuff amounted to like 2.6k, which meant I had to sell some of it to some merchants. Was discouraging to use a single merchant for only part of a stack of items, but... I didn't play for like two days between starting and stopping. I went back to some other merchants and finished it off. I'd say 2 hours total maybe?
How do you carry more stuff without being overoccupied?
More Stamina can increase your max carrying amount, as can The Steed Stone, potions, and other things. However, obviously could never move normally with all that stuff on me. Luckily, encumberment doesn't gradually move you to zero, so I waddled around and wore a Amulet of Talos so I could use Whirlwind Sprint as much as possible.