Too many people go to a lawyer and say "tell me what to do". If you have an estate bigger than a few bucks, you should also have the common sense to know how you want it distributed after your passing. TELL THE LAWYER WHAT YOU WANT. Then it is his job to put it in a legal form to accomplish your wishes. THEN READ IT BEFORE YOU SIGN IT. and Don't be a cheapskate. Hire a lawyer, skilled at estate work (not the local hack in a trailer office) to protect what you have worked all your life to accumulate.
Too many people are buffaloed by the law..don't be. Ask questions, set down and do what ifs?
What if I die tomorrow? What if I live 30 more years? What if my son goes before I do?