h2g2 The Hitchhiker's Guide to the Galaxy: Earth Edition

I tend to agree about getting something that won't change (either in shape or meaning). Who knows where your political or socio-economic views will be twenty, thirty, or forty years down the line. One thing that won't change, however, are the memories you have of when you got a tattoo (the memories of a loved one, or a significant time in your life).

Also, when considering getting tattoo work done, it is important that you find a tattoo artist whose work you like, and (at least on some level) you get along with. Few things are worse than a tattoo you regret later. (Besides, chances are, you'll be back for more sooner or later.)

It is also important to, in the process of searching for a tatto artist, find reputable shops who engage in safe tattooing. The use of an autoclave on equipment is vital. In addition, inks should not be used out of a "communal" receptacle. Individual, disposable receptacles should be used.

An important point which I previously failed to mention also is that the location of your tattoo can make all the difference in the world. When you are nineteen, that butterfly on your breast or stomach looks fantastic. Later on in your life, it will look life a condor. Think about this, and avoid areas that will eventually sag, and/or expand greatly.