A Turning Point

I guess I've reached that point in this full-time SAHM/teaching experience! If you remember from my previous post, I had talked about making changes for my daughter who needs more interaction with peers than I can provide (without having to pay some sort of tuition). I've had two interviews in the last couple of weeks for PT positions at child care centers. I wasn't too pleased with how I did in the first interview, whereas the second one was so easy and quick that the Program Supervisor wanted to hire me on the spot...but because I wasn't too pleased with them (after taking a tour) I declined the offer. So now I'm starting to consider full-time positions, which has led to the inevitable feeling of regret for leaving my job five weeks ago. In my search for a PT job, I've learned that most centers only offer a 50% discount (as opposed to my previous 75% discount), don't always accept employees' children or, if they do, don't offer a discount at all, or they just don't pay as much.
Last night I even proposed to Tim the idea of opening my own preschool or day care. I had been so shocked by the Center I had declined the job offer from that I thought, Well, instead of trying to put my kids in another Center, why not just open my own? 
Wow, is she some sort of control freak, or something?? you must be wondering.
Why yes, yes I am. That, and I've already bought a ton of preschool teaching materials that I doubt other parents keep in their family rooms (hence the reason I've stopped mentioning the possibility of a co-op). That, and I've been working diligently, day and night, to observe how my kids learn, what kinds of activities they enjoy and which ones lose their interest, in what order we should have our lessons and activities based on how they respond (for instance, do their attention spans falter after starting with a Group Time activity versus having Singing Time and Story Time first?) and what works best for my almost-4-year-old versus my almost-2-year-old.
Now, the real question is: Am I crazy for wanting to open a day care or preschool from my own home?