Have you taken a look at deepdyve.com? $40/month ($30/month if bought as an annual subscription) for unlimited online access to a ton of journals, including a bazillion from IEEE: https://www.deepdyve.com/browse/publishers/ieee

If you create an account but do not subscribe, you can view all the papers but only for 5 minutes each. You can then subscribe to read the ones you need more of, or purchase access to 5 papers for $20.

The above is for online reading. If you need PDFs, you can purchase those but they are not cheap. They are usually what the publisher charges on the publisher's site less a 20% discount.