It doesn't cost a lot to make everything available to everyone, but it's not free. If, for some reason, you want to help out defraying the costs:
Support via the above will get you permanently enshrined on the Legendary "Wall of Awesome." But there are some other ways to show your support, too:
If you shop at Amazon, buy stuff through this link, and this site will get a little kickback on anything you buy from them during the 24 hour period following your clicking the link (the cost of the item doesn't change for you, but the site gets a little % in return for your business).
Why not subscribe to my YouTube channel? I am fortunate to be above the cutoff for advertiser revenue (which results in literally quarters per month of income), so every subscriber helps in that regard.
Of course, just watching any of my videos and liking them will help bring them to more people.
And while we're on the subject, if you find something useful here, tell people about it. Word of mouth is my bread and butter!