Welcome to the forum
Alot of us are new and working through the diet as well. I just completed 3 weeks of Phase 1 then moved into Phase 2. I am not losing fast but I am losing which is remarkable for me.. (Seven lbs in three weeks and a dress size)
Making homemade kefir is really easy, you do not even have to heat the milk, just use it straight from a fresh, just opened milk jug and clean mason jars. It takes a day to set up. Then you strain it and add the kefir grains to another batch, and eat the yummy strained kefir. I flavor mine with vanilla, stevia and fruit.
I even buy the oldest milk on sale (tonight I got two gallons of organic milk for 2 bucks each!) because the culture helps to perserve it. It is great frozen too!
My favorite source for kefir is the yahoo discussion groups (many send you grains for free, you only pay shipping), but The Happy Herbalist is a very reputable online source (just google it). You can get both kefir and kombucha from him.