Dongguan is a new first-tier city, a prefecture-level city under the jurisdiction of Guangdong Province, one of the central cities of the Pearl River Delta, one of the cities in the Guangdong-Hong Kong-Macao Greater Bay Area, and a central city on the east coast of the Pearl River Delta as determined by the State Council. Dongguan is known as the "Factory of the World", an important transportation hub and foreign trade port in Guangdong, and one of the five prefectural-level cities in the country that do not have districts.

I can't give a definitive answer to the question of cheaper rentals and more expensive meals, as it depends on the specific location and individual spending habits. However, you may consider searching for local information on rental and dining prices to get an idea of the market average.