I have 2 55g tanks and 2 10g tanks. I have African Cichlids in one and Angelfish in the other. I don't know how much I've spent over the last 7 years and I don't really want to know. I would most likely have a MI (heart attack) if I knew the truth of it.
Especially since in the early years I'd try different things only to find out they didn't work very well. Like 4 UGF
that turned out to be more trouble than help. So their in a box with all the other stuff that I bought and then didn't like.
Plus after 7 years you get board with how the tank looks so you replace things, for a new look. Then if you add all the meds. and food and the Oh, soooo many bottles of Prime, for the twice a week PWC
on 4 tanks. Then of course there is the water bill.
Basically in 7 years I've spent a fortune, but in return, I've had countless and priceless hours of peace and tranquility and even affection. Not just for me, but my whole family. So the return is worth the price, what ever it's been.