So, what is you most favorite house to live in Skyrim?

none of the above.

I'm working on building a Playerhome/Dragon Cult thing.

O.o

I usually lived in Breezehome.

Hjerim is the Home for most of My characters, because of the Book Storage.

I use Hearthfire Homes for the Kitchens, and they tend to get treated as a Vaction Home like Severin Manor from the Dragonborn DLC.

I mostly choose Breezehome, because Whiterun is so light and sunny.

It's not the most convenient, in that there's fairly minimal storage and all of it on the ground floor, and it's right in a corner of the map, but I really like the look/feel of Honeyside.

Honeyside (Riften) is my favourite and if I can just justify it in the RP in any way, I plonk my characters there; for example, my current character is an Argonian, when she arrived in Riften she found lots of the Argonian dock workers living there and so decided to settle near her own people.

But I think I've owned every possible house in at least one play through each, although some of them have definitely been only one each (I haven't bought Proudspire Manor more than once...) I don't have Hearthfire so I've never built one.