Benefit of a 7 Degree Stem
 

What are the pros and cons of a +7 degree stem other than to give you a higher position
when you ride... less aero of course. Conversely what is the benefit of a -7 degree stem

Well for starters, a 7 degree stem is both 7+ and 7- depending on which way you flip it, duh! It seems most road bikes these days come with a 7 degree stem and several spacers for quite a bit of adjustment depending on the riders flexibility. I think it's really to personal to give you a straight up pro's and con's answer because it varies so much. In a perfect world you would be flexible enough to ride with a high saddle to bar drop with a flat back for optimum aero benefits if speed was your main goal.

For me, a guy is his 50's, the "benefit" of +7 or -7 would mean I'm young and flexible enough to take full advantage of it, which I'm not. I'm at +16 or so. It is strictly a matter of what works in the overall fit for you. As I was once told at my LBS when I asked a similar question, it depends on how fast you want to go...and what actually works for all day riding, or an hour or two if that's what you're after.

Mine is 10degrees...pointed down. I like it.

Flip up = more comfortable. Flip down = looks cooler.

It depends on the saddle to bar relationship you want which comes from how you ride, flexibility, where you need the saddle, frame reach, frame stack, bar reach, and what you can do with spacers due to how much fork steerer you have and its maximum spacer limit.

In my situation a 100mm +6 degree stem gives me a 4.5cm saddle to bar drop that's comfortable for over 200 miles with 40mm between headset and stem.