Nick

If you have one, a local butcher might be a better solution.

Is $100 your max? If you can go a little higher you can get a great Samsung 990 Pro 2 TB for $169 that will be a better option than most of the SSDs you listed.

For basic form filling, the Firefox PDF editor is fine. But sounds like OP’s use case is more advanced than that.

Thanks for sharing this, it actually looks like a fantastic alternative to Adobe Acrobat DC.