https://www.firedisccookers.com/monthly-giveaway/?
Monthly prize: FIREDISC Cooker

https://www.pactimo.com/pages/win-250-in-cycling-clothing-signup
Monthly winner:
win $250 in cycling clothing. Winners can select from the extensive collection of jerseys, bibs, jackets, thermals and accessories, including our Summit 12-Hour Bibs

https://www.niche.com/colleges/scholarships/no-essay-scholarship/
Monthly prize: $2,000

https://www.shopwss.com/pages/sweepstakes
Monthly prize: $200 shopping spree at shopWSS.com

https://www.fragrancenet.com/f/net/shopping_spree.html
Monthly prize: FragranceNet $250 Shopping Spree

https://www.viviano.com/contest/default.asp
Monthly prize: $100 Viviano Flower Shop gift card

https://www.driscolls.com/Rewards-Birthday
Prize(12) $100 Visa gift card.

https://www.bowling.com/giveaway/
Monthly bowling ball giveaways

https://www.serenaandlily.com/forms/monthly-sweeps
monthly Prize: $1,500 Serena & Lily gift card