One handy thing I do when using a mouse is to increase the mouse sensitivity via 'control panel> mouse> pointer options'. It may seem very fast at first but if you stick with it, you will get used to it.
Benifits: You move your hand less, up to 50% less infact so its really good.
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Like I said, it may seem a bit much but trust me, when you get used to it, it's amazing! I hardly move my hand at all!
Scozzie