Furniture shopping

Cho Lon in district 4 has a huge selection of affordable furniture.   Ground floor is appliances , first and second are furniture. 

Chung cư H2, 196 Hoàng Diệu, Phường 8, Quận 4, Hồ Chí Minh, Vietnam

These are two tropical fish store streets I have seen and shopped at. I don't recall seeing big display tanks for sale though. Definitely fish, food, accessories, small tanks. Use google map, copy pasta the addresses.

This one in D3, a few clean shops
237 Lý Chính Thắng, Phường 7, Quận 3, Hồ Chí Minh, Vietnam

This in D5 near the Chinese lion mask stores, spicy Chinese medicine shops, textile, lantern, small tool markets nearer the bridge. Grittier but more interesting area. Go to both.
4 Lưu Xuân Tín, Phường 10, Quận 5, Hồ Chí Minh, Vietnam

For furniture, I was going to recommend that you search the forum.
However, expat.com has broken the search again.
If you search "furniture" they limit to just the Moving topic.
Too bad, there have been many "where to find furniture store" posts in the past and now they are hidden.