I like the 2 that I know of here in SD only problem is they are so far and hard to get too during the week. I am in the colonial zone an the 2 I know of are on Churchill and Nunez. think there is one on the other side of the river but never been to it. but the ones I have been to have great selection and prices.
There are many more besides Churchill and Nunez de Caceres in Santo Domingo:
Distrito Nacional: On 27 de febrero there's one (well, a side street of it, very near Tiradentes with 27 de febrero en La Esperilla), Av. Independencia, Av. Enriquillo.
Santo Domingo Norte: Prolong. 27 de Febrero.
Arroyo Hondo: Av. Colombia, Los Proceres.
Santo Domingo Este: Calle Proyecto, San Isidro, San Vicente de Paul, Las Americas.
When I came (back) to DR a decade ago I worked for Bravo for a while. By then they were in the transition from a small 4 store company to become a mayor player in DR market. Their plan was to open 2 stores a year. They had a set back due to their corporate office and warehouse on Luperon going up in flames in 2010, but recovered well.