I absolutely love the warm, fuzzy feeling that I get inside when I invest in someone's future.
What would I get in return for my investment?
Are you growing peppers or "peppers"?
Do you think you could reduce your startup cost by going with less expensive materials?
You're going to have to give it more time until you can figure it out. Be patient. You may be able to tell by the leaf shape but you won't really know until you start getting pods.
If your potting soil already has fertilizer in it then you do not need to feed yet. Doing so could actually burn them. Check your soil bag first to see if ferts are already in it.