So I need to do a half-page magazine ad. I was going to make some different concepts using both Photoshop and Illustrator (I don't have much experience with InDesign so you folks that do it for a living please go easy on the judgement).
My question is, what's the generally safe dimension guidelines you would follow for a half page magazine ad? I know the generalities like CMYK at 150+ dpi (EDIT: There's a reason I put 150+, I know 300 is the general for higher printing, I was thinking just cmyk print media in general, hence the "+") but what about just size in general? Is it generally in inches or pixels, and what would those dimensions be?
I've looked around and found various "standard" templates but many of them have conflicting dimensions. The magazine the ad is for didn't even seem to specify any basic requirements which leads me to believe they just take the flattened image and skew/resize it to fit. Which in my mind fires off red flags they could butcher the image quality for the sake to "just get it on the page" as their rep told me.
So can anyone offer the basic guidelines for dimensions, bleed, etc?