What is your approach to series?

[Nuytsia]

I just get something if it looks good, or sometimes if it's been recommended to me. I never check to see if the series is finished.
I kind of wish I had not got sucked into Game of Thrones though! But if I waited until they were all finished I might be dead!
I never read more than one book at a time, yuk! (well not more than one fiction book anyway. I read a lot of nf books at a time of course)
If the entire series HAS been written I will almost always try to read them in a row (not interspersed with other books)