There are not many solutions that are cheap when you consider the cost per port. For example, Anker has a 5-port model but only one is a USB-C 5V/3A port and it's $40. For single port devices you're still looking at $20-$30 from reputable brands, which is not really better than buying from Google.
It's kind of disappointing. A good chunk of the market seems to be trying to win customers by being qualcom quick charge certified instead, which is not helpful for us 5X users.
I personally use Anker 2 port USB A 5V/2.4A chargers ( http://www.amazon.com/dp/B012WMWPJW ) with iOrange-E A-C cables and still get pretty good charge rate with screen off, with the benefit that those chargers are solid quality at $11 each and iOrange-E braided cables hold up really well and aren't very pricey -- you can sometimes find coupon codes you can use on Amazon for them too.