They are optimized. It’s a 5gb plan I guess. It looks like my options, in the comments here, are pay a monthly fee elsewhere and be done with it instead of constantly hitting barriers with my current host’s limits.

Perfect! Thank you for the link.

My concerns right now are this is the second time I’ve had space issues with my hosting service and when something goes wrong, it’s easy to diagnose which service is causing it (wordpress or host). Do those concerns sound valid for what you’re suggesting?