I don't have any sisters or brothers, so I can identify with those who are homeschooling an only child. Growing up, well meaning friends and strangers encouraged my single mother to "give" me a brother or sister, saying that I was surely lonely, or destined to become spoiled rotten.
This website has a wealth of information on running a smooth and organized home. Includes articles, recipes, organizing tips, message boards, and much more. You'll also find information on creating your own household notebook, along with free printable forms to organize all the information your family needs.