When interviewing you may find asking some questions make you uncomfortable. Afraid that you'll be seen as aggressive, overbearing, or too demanding. Adding the phrase, "It would be helpful to know ..." softens the blow. You're asking permission to ask for the following information"
- It would be helpful to know the salary range for your position.
- It would be helpful to know your management style, how you like to work with your
- It would be helpful to know if you have any reservations about my candidacy.
So don't shy away from those sensitive questions, reword your question so that you're more comfortable asking, and soften the blow and sweeten the pot.