Dollar Tree in Clifton Park on Route 9 is a well-maintained and spacious store with plenty of parking and wheelchair accessibility. Customers find the store helpful and pleasant, with friendly staff and a clean environment. The store offers a wide variety of items, including fall decorations, school supplies, vitamins, cards, balloons, and silk flowers. Shoppers often discover new merchandise, leading to spontaneous purchases. The staff, including a cashier named Liz, are appreciated for their kindness and helpfulness. However, there is concern about safety, as a young employee has accidentally placed chemicals in food bags, which could be dangerous. Overall, Dollar Tree provides a good shopping experience with a diverse selection of products and helpful service.