I'm just curious. I'd say I do mine once a month when I'm being fairly active. Also depends on season and holidays.
I change mine whenever the mood strikes. I've got a 'default' one that I always use, but I'll dress differently depending on the event going on or sometimes seasonal.
It takes forever when I'm making something new, I've found. I can waste so much time shuffling through my... 15k+ items. And, I don't even use the shoes, hairs, or face items and only have a couple of customs! Plus, I tend to use red, black, purple, white, gold and I don't think that I could ever finish an avatar if I was really changing it up every time. D:
I don't know how some of you do it. There's so much options.
It depends on my mood and how fond I am of my current HA. If I really like the one I've made I'll keep it longer, and if I'm kind of 'eh' about it I'll likely only keep it for a short time.
I'll also change it more frequently if I've just gotten a bunch of new wardrobe items that I want to play with.
Once every few months, depending on when I feel like it. My current HA is back from September I think. I'm not really a HA person, though.
i'm totally a HA person. occasionally i can stick to a classic staple HA of mine for like, two weeks...but even that's a stretch. if i see my HA and think "mmmmmmm not feelin' it" then it's gone! and that'll sometimes be like..every three days. on particular days, it'll be like two or three times a day.
For me it depends. This one I've had since the beginning of Luminaire, but I may change it soon if the mood strikes. Sometimes I go months without changing my avatar though lol it really varies.

Once I get something new I want to wear!! haha
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I usually change it w the season or site events, otherwise I just change it whenever I want to!

Used to do it all the time! I think the last time I've done it was a couple years ago though because I'm on mobile now.
I JUST started caring a little more about my HA, but whenever I get a hold of some new items I can put together a new outfit with. :)
Almost every single day! As part of the Daily Item group, it's sort of my job! LOL
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My WLs for Secret SantaNever. I'm too lazy and not very fashionable.
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Probably like once a month or so. I used to change it a couple of times per week. Now my wardrobe is so big that it can take me two hours to put together a HA, and I don't really have that kind of time to spend very often. D:
I love your signature <3
I love your HA. What items are the puppies? And your blush....and your hair? ;-;
I change mine basically every day, I like taking part in the Daily Item board just to feel a little bit more creative :P
Aww, thank you! c: The puppies are Goodboy Puppy Companions, and the hair is Delish Dignity Hair Tonic. The blush is a combination of Winter Chill and Delish Vir Blush.
Well that's a nice bunch of stuff added to my wishlist for when I finally cash out my shop till :P Thank you <3