I have a 10 mile route that I do here and there. It has a steep hill and some rolling ones along the way. I find that no matter what the hill is I try and use the gear and effort that ends up hurting the most and allows me to barely get to the top. I didn't start out that way a few months ago as I wasn't sure how much I could take or what that would do to my recovery for the rest of the ride. Since then the closer to the top I get the harder I make it on myself and if I do it just right I feel nauseous the last little bit.
I don't do that on every rolling hill but if it seems like a "workout climb" I'll use that strategy.
Anybody else do that sort of thing?