Saving Money in Germany

Anyone have any tips? Good Apps, ways to hack the system in Deutschland? I've just moved here and miss all my promotions and deals from the UK.
I already know about returning cans and bottles btw. :P
Not my area I must admit.......but if you can get me residency, I'll be there ........
I think they like Sausages and Beer.......oh and Gateaux (cake stuff)
To be fair, food, beer and most consumables are cheaper here in actual $ terms and the salaries are generally higher than the UK.
Still, can't put a price on British culture and how friendly the people are... miss it already.
I moved from Glasgow to Berlin... similar in that I can't understand people properly in either place. :P it's the equivalent of hotukdeals :)
Thanks pixie!
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