You need to care: what inhabitants need and whether they can get along. You do have to enjoy and if cleaning, changing water, mixing calcium, strontium, iodine monthly or weekly seems too much of an effort for beautiful creatures that need live rock, individual needs, then it may be more than you can handle. But, it is enjoyable work. It is always advantagious to read, read, read, and that will only make you apreciate the hobby more, more, and more.
There is another advantage, it will make you more appreciative of the awesome natural world. It will enrich your life. Just be knowledgeable about where and how your creatures are caught, and where. A lot of unlawful ways of catching marine and freshwater inhabitants, that will have unhealthy affects on the critters you get. Some fish are better purchased knowing they are tank raised than almost ished out. extinct. Hope you care.
