I use Amazon, although you should always do some price comparisons. Some things are great deals, others are priced so unrealistically high.

Reading The Story of Civilization has been on my to-do list for years ... someday ...

Putting this on my to-do list! Just have to decide which one to get ...

Seconding the rec for the Core Knowledge workbooks. I know a couple people IRL who love them, too.

I do RightStart with DS3, who is always begging to "do school." When I feel like he's not getting it, I go back and review until I think we're ready to move to the next lesson. I got it with the extra appendix package which has all the copies you'd otherwise need to make yourself (an extra $10 for Levels A and B), so there's not much prep. Each lesson has a list of the things you need, and I just keep all the math stuff in one box.

Concentration is a popular game in our house.

How awful! Totally agree with a pp about the book title being horrible. I'm amazed it got to print with that title.

Used a clear-blue monitor for a while but am sick of having to buy test sticks all.the.time. If I could do it over, I'd go with something that you pay for once and then are done.