A good use of time on the internet is budgeting and accounting

A good example is saving 300$ a month for something and finding a good replacement for it in your budget. Saving money is a plausible game to play when bored.

If you really ask me, the best investment in the usa is your own home, complete with items furniture optional resident (you never know, friends might need to crash for a few months) family and outside furnishings

And if you are planning for a house, plan ahead