Stovetop Espresso Makers Are The Best
Simple to use and very traditional, stovetop espresso makers are very affordable, yet they produce quality espresso.
A good stovetop espresso maker is the Bialetti Moka Express 3 Cup Espresso Maker.
You will definitely need a separate grinder with this, but even with the cost of the grinder, you will still be spending less for these than buying a commercial espresso maker.
If you want espresso the way Italians want it, go with stovetop espresso makers.