https://hartzinsiders.com/p/14934-hartz-apply-to-sample-our-new-cat-toys-for-free -fill out the form for a chance to try a  Cattraction Silver Vine & Catnip Multipack, or  Cattraction Silver Vine & Catnip Crinkle Mice or free. They probably will want you to post a review.
https://hartzinsiders.com/p/14935-hartz-apply-to-sample-our-new-dog-toy-for-free -fill out the form for a chance to try a Chew ‘n Clean Ring Dog Toy or free. They probably will want you to post a review.

https://freshknightinsiders.com/p/14843-freshknight-apply-for-a-free-sample-of-our-fresh-impressions-oral-probiotic-lozenges -fill out the form for a chance to try Fresh Knight Fresh Impressions Oral Probiotic Lozenges for free.

https://www.ripplestreet.com/events/oceanspraychat -they have 1,000 spots available. If you’re selected as a Chatterbox, you’ll get a great Chat Pack:
1 Free coupon to purchase Ocean Spray® Immunity Orange Mango Juice drink, OR Ocean Spray® Immunity Cranberry Blueberry Acai Juice drink, OR Ocean Spray® Revitalize Cranberry Pineapple Juice drink from your local Walmart
1 Ocean Spray® Immunity Juice Drink & Ocean Spray® Revitalize Juice drink info card

https://claims.celsiusclassactionsettlement.com/ -you qualify if you purchased original Celsius beverages (at times labeled “Celsius Live Fit”), Celsius Heat, Celsius BCAA+Energy, and Celsius with Stevia), as well as Celsius On-The-Go and Flo Fusion powdered drinks, between January 1, 2015 and November 23, 2022. No proof of purchase is required.

https://www.tryazon.com/nutricelebrity-stress-free-new-year-party/ -they have 50 spots available. Hosts selected will receive a party pack with a combined value of $55+, containing the following items:

(1) NutriCelebrity Nutriflora-Pro Probiotics For Women Supplement (30 Capsules)
(1) NutriCelebrity Vitamin C Chewable 500mg Tablets (90 Tablets)
(2) Travel size NutriCelebrity optimal stress & mood boost supplement (10 Capsules) – One for Host and one for a Giveaway!
(1) Product Information Card Insert with discount code
Party Host Guide to help you plan and carry out the party!

https://www.socialnature.com/dips-spreads -click the apply button for a chance to get Free Litehouse Dips and Spreads with a value up to $5.99.

https://www.macys.com/p/review-squad/? -register for the Macy’s Review Squad. If you’re invited you’ll get the chance to get free products in exchange for posting a review.

https://usfunlab.hasbro.com/ -register for the Hasbro FunLab Toy Testing Program for a chance to try Hasbro Toys for free. They do in person tests at their locations, as well as in-home product testing and surveys. –Update – still available.

https://www2.rampanel.com/join/ -click the join button, scroll down to United States and select a newspaper or local media that you read/consume. When you register you’ll get surveys by email and you can earn points for free gift cards.