User blog comment:SteviWunda/How big is this number?/@comment-30754445-20170424203047/@comment-30754445-20170501082645

Hands-on experience is the best teacher''. ''So I recommend that you continue to create posts like this one, ask questions, and participate in the resulting discussions (as you did here).

Of-course reading the stuff in the links can also be useful, but I recommend it only as a supplament to the discussions here.

And as Chronolegends already said, don't be discourage if the numbers you post aren't as big as you thought they are. For one thing, googology is a huge (pun intended) subject. If you take it one step at a time, you'll reach great heights soon enough. And for another thing: Remember in the grand scheme of things, no one can really "win" in this large numbers game. There are always more number.

One last tip:

If you want to take some ready-made large number (such as Graham's Number) as the starting point of your journey, then it is more productive to look downwards and see how said number is constructed before you try to build larger numbers on it.

In other words, ask yourself: What is it - exactly - that makes Graham's Number so big? Okay, it is made by nesting arrows... but what is it that makes arrows so powerful?

Once you unlock that secret, the path to create much larger numbers is surprisingly easy: Just repeat this entire process again... and again... and again...A straight forward application of this will get you to numbers that leave both Graham and GG Twist in the dust.