Luckily (I guess) right now we don't have two vehicles. So, my husband drives off to work and me and the kids are stuck in the country by ourselves. Everyday. It's four miles to the nearest town, so we don't go anywhere. The kids watch tv and I write, or they play with toys and I write between playing with them and being referee. A lot of the time, during the day while they are awake, I do first draft writing, since it doesn't take as much concentration. Then at night, the hubby and I have some 'alone time' and then he knows to get lost so I can write. That's when I type, edit, write the scenes that require more concentration, etc. Since my kids are 1 and 3 and at home with me, it doesn't matter what time we get up or go to bed. I stay up til 1 or 2 and then sleep in while they play (and yell in my ear to get up). And even though my 3 year old is 'too old for naps' as he tells me, he has an hour manditory lay down and be quiet time every day. As long as he stays in his room, resting quietly, he can read books or play with quiet toys, but I get something done and he gets time to rest a little. Oh, and I work in house cleaning whenever I can, mainly when I'm frusturated with what I'm writing and need a break. Its working out really well, and since I can write inside or out, it doesn't matter what the weather is like.
Plus, writing makes me feel like I'm not 'just a mom'. My brain really enjoys being used for something non-kid related again. And that gives me more patience and energy to be a stay-at-home mom.