Leveling patio blocks and preventing weeds in seams without herbicides

[LSLGuy]

Here is a short thread from 2006 which includes some relevant advice and anecdote.

Anyone have experience with "instant" patios?

Next month I’ll be moving into a townhouse with a small, fenced-in backyard that I hope to somehow turn into a patio. I remember seeing a couple of products in a catalog that seemed like they’d do the trick, and I found them on the Taylor Gifts website (I know, I know: Taylor Gifts isn’t known for high quality): patio pavers, and patio blocks. Does anyone have experience with these things? Or enough general experience to recommend/warn against this sort of thing? My intent would be to leave the…