Here is current set up in my basement. I'll be rearranging some tanks today or tomorrow. Want to put lights on the 2.5 gallon drums and also put sponge filter, lights and plants in there. In all honestly, I got my 30 gallon tank for free as well as many of my 10 gallons. I spent money on the filters, heaters and all the 5 gallons/2.5 gallons. But never pay retail for any of them.
Here is my fish tank room:
Here is my 30 gallon show tank:
Here is my crowntail bought from Walmart in March this year:
Here is my halfmoon ("elephant ear" ??) bought from Petco also in March: