There are many buffet choices in Macau. The following are some cheap and delicious buffets:

1. macau tower cafeteria: Located in macau tower, it offers a wide range of buffet choices, including seafood, Chinese food and western food, and the price is about MOP1-2.

2. Venetian cafeteria: Located in the Venetian Hotel, it offers a wide selection of buffets, including seafood, Chinese food, western food, etc. The price is about MOP15-25.

3. Parisian cafeteria: Located in Parisian Hotel, it offers a wide selection of buffets, including seafood, Chinese food, western food, etc. The price is about MOP15-25.

4. Galaxy Cafeteria: Located in the Galaxy Hotel, it offers a variety of buffet choices, including seafood, Chinese food, western food, etc. The price is about MOP1-2.

5. MGM cafeteria: located in the MGM hotel, it offers a variety of buffet choices, including seafood, Chinese food and western food, and the price is about MOP1-2.

The above are some cheap and delicious buffet choices, and the prices may change at different times and seasons. It is recommended to book in advance and check the prices.