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Ahhh yeah Poliigon of course. Thank you! I tend to shy from image textures because of how annoying it can be when they are very obviously tiled and not well stitched together. But I'll have to get into it because they are so much more realistic looking.

Yeah I've been meaning to get into these tutorials myself:

You can use some tricks to make tiling effects much less noticeable (the quality is still important though).

Yep, these tutorials are nice.