Hello:

Is there software/hardware or a combination, where I can infuse the video from my iPhone, my camcorder, and my laptop cam into one cohesive production??

excon

Yes, and depending on what windows you have then it may already be on your computer. It is called windows movie maker. Check for it in your programs list. Otherwise here is a list of some to look at.

Top 10 Best Free Video Editing Software for Windows