I realized I did not factor in my self employment health insurance deduction. I'd like to see how that affects me before actually submitting an amended return. Can I?

Yes, an amended tax return is not filed until you have printed and mailed it, so you do not need to continue. If you choose to delete the amended return after completing it, you can do so by following the steps below:

https://ttlc.intuit.com/replies/4170678