I’m going to Qingdao on May Day. I want to live by the sea and see the sea at night. Are there any cheaper rooms (such as private villas rented by rooms)?

You can stay in a domestic hotel on Zhongshan Road (a very famous commercial street) for about 100 yuan. You can see the sea. The facilities are a bit old, but it is convenient to go anywhere. You can go directly along Zhongshan Road Walking to the pier, there is a "Pichaiyuan" next to it. There are many snacks. You can also buy some seafood in the market next to it (very close to domestic products), spend some money to process it, and have a delicious meal.