Many video producers will keep secret of their video resources because that is where they make their dollars. Ok, who wouldn't? That's how to remain relevant in the market. Now, note that without regular research and updates- these resources will become obsolete someday. Market and trends change. This means that video producers who relied on these resources will loose their market value.
You see, if you sell online and you have not started using video, then you are missing out on customers who take action after watching a video about your products or services. According to CISCO, 80% of all internet traffic will be video by 2021. Moreover, Google found that 70% of B2B buyers watch videos on their journey through the sales funnel.
Irrespective of the freelancing site you use to find a freelancer, know that many other clients like you are looking for freelancers as well. This means that there is a huge competition to find a perfect freelancer.
When your client asks for video revisions the first time, you are excited because you know you are close to completing the project - and getting PAID.
But, after the first round of revision, you client sends your a longer list of revision request and you are are like WTF! Why didn't he/she spot these issues the first time I shared the video?