If you are interested in ranking higher on the search results and getting more orders, then you need a video for your gig! A lot of users I know and talked to (there are also posts here about this) say that their gigs get a lot of more views and clicks if they have a video in their gallery!
If you can’t edit your video or don’t have the time, you can outsource it - to me! This is not a purchase, but an investment. If your gig does well, you will absolutely get your money back from buyers and even more!
Take a look here if you are interested: