1) I like being able to get in or out of positions afterhours if needed and while I don't use stops overnight I do have a set up where if certain price levels are hit (in currencies, gold, and ES) then esignal sounds an alert through my stereo(some kind of freight train sounds that I think comes with windows) which is wired in to a built in speaker sytem in my home which believe me wakes me up right away. Rarely happens but my wife has apager that goes off all night when she is on call so she can't complain 
2)Taxes. Profits on futures are taxed 60% at the Long Term Capital gains rate and 40% at regular income tax rate. My wife's income already puts us in the top bracket so...

2)Taxes. Profits on futures are taxed 60% at the Long Term Capital gains rate and 40% at regular income tax rate. My wife's income already puts us in the top bracket so...
