I really don't know what so many people are spending so much money on. It boggles my mind as so many people keep saying this is such an expensive hobby. It could be, just like playing golf, especially if you want to play in Hawaii every week and you live in Ohio.
I can see you need to buy all the stuff, a tank, some lights, rocks etc. But after you do that, all you need is some electricity, food, some water and additives.
For decades I used "Instant Ocean" I don't know what it cost but I didn't change water every hour and a half like so many people do. I used to buy that salt and I think it was enough to make 50 gallons and maybe it was $25.00 or something like that.
In my 100 gallon tank I changed about 20 gallons every 3 or 4 months so that $25.00 of salt lasted me 5 or 6 months.
That is not even a half a tank of gas, a dinner for one in a cheap restaurant or a fake eyelash for a Supermodel for a year.
I used to make my own alk and calcium from driveway ice melter and baking soda. The stuff in the box you buy with the healthy looking orange spotted filefish on the box is made of driveway icemelter and baking soda.
I used to get driveway ice melter and draw a beautiful picture of a Moorish Idol on the box to make myself feel better that the stuff is basically free.
Now I buy the 2 part stuff because I am to lazy to get ice melter and I don't want to buy fifty lbs of the stuff but even that is cheap. I have a 2 gallon bucket of both calcium and alk that I mix with water and I don't remember what it cost but I have been using that same bucket for probably 3 years.
I use some LRS food which is expensive but I also feed clams that I can get in a bait shop for practically free or I can get them in a supermarket. I eat clams all the time so when I buy clams for clam chowder, or linguine and clams, I buy a few extra clams as they are like 20 cents each.
I raise white worms which are also basically free and they eat stale bread and maybe 50 cents worth of yogurt a year.
I also don't get dosers. I have to stand next to the tank anyway to feed them so while I am standing there waiting for the food to defrost and I am going "Doot Da Do, Doot Da Do" I fill a small container with calcium or alk and dump it in. Eventually like in a couple of weeks I test it and then put in a little more or less. Trust me, the corals don't care if the alk is 7, 8 or 9. They also don't care if the temperature is 76, 78, 79, 80, 81 etc.
It's the same with salinity. I once went to Germany on one of those riverboat cruises. My tank sitter let the water level drop 7". Of course all the corals above the water died, but the rest of the corals sitting in water with so much salt in it that the Lord would have no trouble turning me into a pillar of salt like he did to Lotts wife when she turned around to fix the strap on her Prada high heel shoe.
These forums make us feel like we need an abacus or the Hubble telescope to measure our parameters. We are not building space shuttles or those little things on the end of our shoelaces. (aglets)
Yes, we want our parameters close to some measurement but we don't have to go nuts.
Livestock is also cheap if you know how to keep it alive. If you need medications, quarantine and all that, it could be expensive and if you need that, you are doing it wrong.
I have this bottle of copper and formalin since the 70s and it is still almost full. I only keep it for nostalgia as it was made in Brooklyn like I was.
My fireclown is about $30.00 years old. He was probably $15.00 so he cost me 50 cents a year. Corals also. You buy them and corals are immortal like Thor. I also can't keep them forever but I can get at least 5 or 6 years out of them, some I have for much longer and most of them I have no idea how old they are. They grow and fill the tank so why are we constantly buying new corals. What are we doing? Eating them?
If you keep losing fish, do the oceans a favor and get a new hobby. There are many interesting hobbies around, my other hobby is collecting those little packets in electronics that say "Do Not Eat" and think up recipe's with them.