I think it benefits no one to talk down, about a LFS, on a public forum such as this.
Whereas the info may be "bad" for one person doesn't mean its "bad" for everyone. Lets face it, you don't have to have all the bells and whistles to have a good aquarium, you can use gravel if you want, i've kept many a cardinal tetra in Albany tap water with no problems, hell i''ve kept 2 oscars in a 20gal for years until they got so big i had to get rid of them.
The guy had a point about "why should he help you if your not going to buy anything". Go to Roland J Down and ask them to show you how to install this new furnace you just bought even though you're not going to pay them anything. These stores are around to make money. The good advice comes from hobbyist's.