When looking for online casinos offering a big dollar casino $100 free chip, players should be cautious and thoroughly research the reputation of the site. It is important to read reviews from other players to ensure the casino is trustworthy and reliable. Verify the terms and conditions attached to the free chip to understand any wagering requirements or restrictions. Keep in mind that not all big dollar casino promotions may be legitimate, so stay vigilant. Always prioritize safety and security when claiming bonuses at online casinos.