Wish I hadn't given Straighterline my money

[Merlin]

If you don't want to take a course, you can always take the CLEP College Comp w/Essay for 6cr, the CLEP/DSST combo for 6cr, or my favorite, the TECEP's.  I liked getting it done in a few hours, but you have to be a fairly proficient typist to be able to get through the test quickly enough.  There are other options as well, but I've heard that SL's English Comp II is even worse than I if that helps decide the next go-round.

I don't feel confident in my typing abilities.   Any other self-paced Comp II courses you can think of that you've heard are decent?

I'm in the same boat as you. While I'm a decent writer, when I'm writing academically, I tend to go a lot slower so I'd be concerned that I wouldn't be able to complete the written side quickly enough... or I'd have a hard time organizing my thoughts since my normal process for writing papers wouldn't work well in a proctored test environment. Of course, there are no open CLEP testing centers near me so I couldn't take the CLEP version without a 1-2 hour trip each way.

Most alternative course providers have their own versions of English Comp I and II. I think most here would recommend the Study.com version as it has fewer assignments. I'd also recommend SL English Comp II, but ONLY if you take the teacher-led option.