Campaign spending is a much studied topic in political science and the consensus is that spending more money gets more votes. (blog.politics.ox.ac.uk)
Each model is designed differently, and you'll save more money getting a bassinet that helps your infant sleep better. (newmommysplace.com)
I almost always go with save but I'm learning that sometimes spending a little more money gets you better quality stuff that lasts you longer! (manouvellemode.com)