They don't make commissions off of what they suggest to you. You know what their flat fee is up front before you go into a meeting. Detweiler says it's more a matter of personal taste. One is not necessarily better than the other, but one may work better for you. The experts agree that fees and commissions vary widely in the largely unregulated world of financial planning.
Commissions vary considerably.
First ask family, friends and business associates for recommendations. Then narrow your list to less than 10 candidates. Finally, set up a minimum of three initial meetings. Most planners do not charge for this. It's an opportunity to ask your 10 key questions and determine if you've got the chemistry and communication to work together.