Am I in over my head??

Okay, so I've been praying to God and I heard my answer. God's calling me back to school online(got it!). He wants me to do Melaleuca(working on it!). He's calling me to homeschool(doing, for the msot part,great!). But, as I look at myself now, I'm wondering if this is really GOd's will, or I just so selfish that this is what ITHINK God should be telling me to do?
AM I so in over (in my own) head that I'm not following God's will, but rather, my own selfish desires?
I'm really not cxompletely sure. For so long, I thought...no, I was certain that God was calling me to get married to Robert. Well, either He was and I'm not obeying, or I was just heaing what I wanted to hear(inside my own head). I'd like to think God wasn't so mean to make me attempt to fix what wasn't complete-I'd like to think that was one instance where it was all in my own head and not the "will of God".
But what about now? Am I doing all I should be? I mean, going to school online would be a blessing,because, well, I do need to finish my degree. I do, it would tremendously help my family. I could write books in the comfort of my own home, have an income, and homeschool my babies without having to take them to some daycare center where they're open for sicknesses they don't need, germs they can't shake and learning activites from their peers I'd rather they didn't.
And,Melaleuca? I have to admit, I love the products, but I'm a little aprrehensive about the attempting to sell products to people-thing. I can't even confide in my friends about God's love without my nerves getting tense! Is God really calling me to step out of what I know, what I believe to be me, for an even better me, or is this me just wishful thinking?
And homeschooling-at first, I was sooo pumped about doing this. I've dreamed about this for years,ever since I could imagine myself having kids and being a SAHM.
"Even though the world may shake and crumble...You are always God."
Okay, where did that come from? oh, Psalm 46. We read that as our Family devotion thismorning.
I'm being silly. I can't believe I doubted! This is God's will for my life, for my family. Nothing but good things can happen if I do this. I know, bad things can happen, but the're not forever. The situation I'm in now, the stress I was feeling just a moment ago is but temporary. "This,too,shall pass"-that's in the Bible, although I'm not sure where.
I guess, with my current situation(I owe $720 to my landlord, and almost$600 to the electric company), got me to thinking if I'm doing the right things. Of course I am! God has given me a spirit of comfort, of reassuance of this. I can't let my current problems affect my long-term goals. God has called me to do these things, and it's up to me to lean on Him. God knows what's best for me, and who am I to argue with the Maker of the Universe? God will make a way out of my current situation, I just have to have faith and believe He will.
Lord, forgive me for my lack of faith.
I'd better go. I'm going to update my old post from when I didn't have internet later today.
Until then, I'd better go.