Nintendo has decided that to add a brand new section to the Nintendo Switch eShop. Switch users now have an easier way to find what games are on sale. However, discounts for Switch games are still a new thing, with only a few titles currently listed. As the Nintendo Switch’s library of games grows, the quantity of discounts will grow. There are also major sales that Nintendo will be doing for select Switch games for various reasons, such as holidays, in the future. Whenever those happen, we will let you know.
Source: Switch eShop