You have to buy an empty lot, then build on it. For some reason after you but a rabbit hole on a lot, the lot is immediately sold back to you once you return to game.
Here's my update:
Eva loves being a mother. She is a little more than halfway to achieving her LW of having a large family. But, can Eva handle the demanding job of raising so many little ones so close in age?
http://llnw.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/730/356/013/00/screenshot_original.jpg
Laylee is got to be one of the cutest little girl simmies I've ever had born in game. An boy is this little girl spoiled. She's the only girl with two older brothers, and definitely the princess of the house.
http://llnw.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/728/356/013/00/screenshot_original.jpg
Travis just loves snuggling his little ones. And Harrison seems to love it too!
http://llnw.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/732/356/013/00/screenshot_original.jpg
Harrison is the spitting image of Travis. With his great personality, will he be the chosen heir?
http://llnw.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/736/356/013/00/screenshot_original.jpg
Johnny is officially a big kid! He started school and is loving meeting new friends. Quite odd seeing there is no one else living in town :lol:
http://llnw.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/737/356/013/00/screenshot_original.jpg
With all the new fuss over the twins, Johnny is feeling a little left out. Sometimes being a big brother is not all that its cracked up to be
http://llnw.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/745/356/013/00/screenshot_original.jpg