Breaking into stock video production

Ever since I got my Sony A7Rii last June, I’ve toyed with the idea of moving more into stock video production. Why? Mainly because the people involved seem to be doing very well, there is less competition (because it is harder) and the introduction of modern SLRs capable of handling 4K video production is opening up a new market for this ultra high resolution images. If you think about it, almost all the images currently in stock agency libraries are...