Considering that ARRI Alexa LF costs $98,000 and the latest iPhone costs under $1000, filmmaking has become incredible accessible to everyone. You need to learn camera techniques such as how to make the most of the natural lighting, maybe get a strong ringlight (it's about $80) with both warm and cold light, a gimbal and a few post-production skills that you can learn online (color grading for example) and you are all set to go