Wether to buy centrifugal or masticating juicer depends on what are you going to use it for most often. Centrifugal juicers perform better with citrus fruits and also with hard foods. Masticating juicers on the other hand produce more juice yield from leafy greens.
This article shows the main differences between both types: https://juicerreviewsplus.com/blog/masticating-vs-centrifugal-juicers/