More and more people are going to fall into the alternative minimum tax trap unbeknownst to them until they get the nice letter from the IRS that says it appears you are subject to AMT.
People often wait until the last minute to get this done and realize they can't do it this year. Another reason they should plan early is so they can notify their employees so they can start deferring their money.
June is a good time to sit down with your tax practitioner and review things to date. If you wait until later it is going to be harder to catch up.
You don't know who's more competent than the next guy until you start asking questions.
You'd be surprised: Many people think that if they throw their audit letter away it's gone. But it's not. The IRS isn't going to leave you alone. They'll keep at you until they get their audit.