If you aren't sure about how to ask the "right" questions to ascertain whether there is real customer pain, the best book on the subject is called The Mom Test. I highly recommend it.
Partner, Seedcamp and author, Fundraising Field Guide
Ounce for ounce, there's no better way to learn what customers want and will buy than this wonderful little book. If you want your new product or new business to succeed, start here.
Author, The New Business Road Test, Getting to Plan B, and The Customer-Funded Business
Read this short book! We believe this is the best and most accessible book for entrepreneurs who are seeking product market fit.
We always recommend the Mom Test as essential reading for any idea stage entrepreneur.
Partner, Forward Partners
Four chapters into @robfitz Mom Test book and I now think this is the best tech book I've read all year.
Founder Matasano Security
Having one epiphany after another reading @robfitz' Mom Test Book. Absolutely riveting. Honestly, any entrepreneur should buy one.
Commercial director, Teespring