TL;DR: beautiful place at a beautiful location, would not doubt going there again.
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HOST: clear and easy instructions for everything from check-in up until check-out, friendly and responds quickly
APARTMENT: very clean, has everything you need, loved the decorations, beautifully styled ceiling, good shower, comfortable bed, large tv with Netflix access (which is quite rare)
LOCATION: excellent
=> very close to two beautiful parks (Gleisdreieck, Viktoria) and rather close to the Tempelhofer Feld park as well
=> very lively neighbourhood that has a lot to offer and connects easily to other locations in Berlin
=> close to multiple supermarkets
CONS: the one and only thing that bothered me was the wifi speed: 10-20 megabit is not acceptable in 2021 (4G easily does double that). Sure, it does everything you need and browsing is no problem but the moment you start streaming from Youtube for example the experience is not that enjoyable anymore. Maybe this is me nitpicking but stuff like this does need to be said as well.