As you've probably noticed, there are many methods available to you. The most important thing to remember is, it's only as complicated as "you" make it to be. Build or buy? No right or wrong answer. Build your own, gives you the satisfaction that YOU made it. Purchasing one, gives you ideas on the "how" & "what" you can do to "improve" it.
I have the OP table and have never looked back. It follows the K.I.S.S. rule. Any extra's needed, are simple made jigs, which is what every table needs sooner or later.
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"Whether active duty, retired, national guard or reserve - is someone who, at one point in their life, wrote a blank check made payable to "The United States of America", for an amount of "up to and including my life". That is HONOR, and there are way too many people in this country who no longer understand it." -Author Unknown