Investment guide blog

I understand mutual funds very well but have little experience with ETFs so do I need to learn about them? Does it provide more control from a tax stand point? More variety in investing options? ...

Is a roth 401k better than a regular 401k plan for a 21 year old? I dont know anything about retirement plans. But the lady giving the presentation at my work said roth 401k would be better for my age but I dont see how. Also my company will match up to ...