I have invested over $400 into this hobby within the last 4 months. This hobby CAN be a cheap one, if you want it to be. But of corse, i want the best of everything.
One of the problems, and the reason why people quit this hobby, is the lack of knoledge about fish.
Lets take my friend for example, she thinks i am nuts, just because i test my water for ammonia... i think she's nuts for NOT testing it.
And she wonders why all her fish die within a month of purchasing them. Not to mention, she dont even know how to do a water change the right way, and clean the tank properly - What she does, is she takes the fish out of the tank, and put them into a bucket, then she removes ALL the water (100% of it), and she lituraly cleans everything in the tank using tap water - including the gravel. then she fills the tank with tap water, using the water conditioner, then she puts the fish back in the tank.
That is a big no-no, by doing that, your not giving your tank a chance to cycle, thus ammonia keeps building up, and too much ammonia will kill your fish - its not *if*, its *when*
If you do research about fish keeping, and some basic water chemistry, you will be very sucessfull in fish keeping.
It's all a matter of doing stuff the *proper* way.