Apply for a FREE Humidifier with Home Tester Club for a limited time only. If you’re not already a member of the Home Tester Club platform, please sign up first before applying. Home Tester Club is an online community of shoppers who test products and share reviews to help fellow shoppers buy better. Home Tester Club is home to thousands of product reviews, and by joining the club, you’ll be eligible to participate in free product tests, with samples delivered straight to your doorstep. Always fill out your full profile and be honest. Make sure you complete any surveys or questionnaires asap so they know you are responsive and interested.