There are many different types of cameras and tools you can buy and use but remember the audio, lighting, and your actual message are the the most important of any video you create.
I (Steve) use my IphoneX for 99% of all my recent videos.
It's quick, high quality, sound is good, and I can instantly transfer to my MacBookPro for edits and upload to my video host (Vimeo).
The KEY things to remember to have in place are as follows:
Visually, lighting is the most important factor in creating a great looking video from your phone or any camera.
When recording from your phone or a DSLR camera or even a GoPro... you must be aware of background noises before you start recording. Things like: Wind, construction, road noice, water, pretty much anything that will distract the listener from you message is bad. Wait or move som