Try just asking for a discount on purchases of single items above ~100€/$. It can be as simple as saying 'Can you give me a discount?'. Sometimes you get free s

Try just asking for a discount on purchases of single items above ~100€/$. It can be as simple as saying 'Can you give me a discount?'. Sometimes you get free stuff added, sometimes a few percent off. And this is just the simplest level where you don't even really negotiate, you just ask one question nicely, no conflict. Eg. hiking boots, bikes, computers are things where that worked for me.