14.  Memory Card ($29.99)
You’ll need plenty of space on your device to hold all of your raw footage before you get into the cutting room. Trust us, there are few things worse than going to hit the record button and getting the alert that you’re out of memory.

15. MHD Sport Wifi Action Camera ($149)
A little action camera (complete with wrist strap remote control!) is brilliant for all of your wild action shots. From skiing to motorcycle chases to diving under water, an action camera can handle it all.