Question to vegans

A call to all lebanese vegans - I have a couple questions about the vegan diet. It's obviously a very expensive diet (when done right), but it's also extremely rewarding health & consciousness wise.

I feel super guilty for eating anything that comes from animals, so I've been researching and looking into plant-based alternatives for meat & dairy and I found that we don't mass produce stuff like Tofu, Seitan or even almond milk, you either make it at home or you have to buy the imported stuff which is very expensive.

Do you have any advice on where to look for vegan stuff? Any cheap stores, restaurants, or should I just make the stuff at home?