Amsterdam Coffeeshop Directory Forums

Just got to amsterdam a few days ago. Just wondering a question of ettiquete. I cant usually finish what I buy. So Can you go back the next day and sit back down with a drink, or is this rude ? same goes to other stores. Also, Time limits solo ?

Thanks

Thanks for all the fast answers, I spent a few hours flicking though the forums. I should be there on the second half of january. I should have been more specific, say lighting up in a scarcely occupied park before lunch, or outside a hostel, rather than anywhere that would get in someone else's way...

I'm traveling though Europe at the moment and just taking it all in, I thought I might as well spend some time in amsterdam !! Quick questions. What are some nice clean coffee shops with helpful staff, I'm traveling on my own and am happy to just chill really for a week or 2. What are some local foo...