Any suggestions for cheap curb appeal?

[Brett S.]

I just put an offer on the property this week and it will be added to my long term rentals collection.  The interior of this house is unbelievable/top notch/luxury appointed while the exterior is nice and clean and very blah to my eyes.  I've never done curb appeal work in my 15 years as an investor (lucky me or stupid me, I can't decide), but I think there is opportunity here.  

Any suggestions for a quick / cheap facade update to make it pop?  Guessing paint but not sure what color or where to put it...