You do not need a $3,000 camera to shoot good marketing videos. You probably already own most of the gear you need. What you do need is a handful of cheap additions that make a huge visible difference.
Here is the kit I recommend to every small business starting out. Total cost: under $200. Maybe less if you shop around.
The phone you already own
Any smartphone made after 2019 shoots 4K video. That is cinema resolution. The sensor is tiny compared to a real camera, so you will lose some dynamic range in tricky lighting, but for 90% of what a business needs to shoot, your phone is genuinely good enough.
The single biggest upgrade is a tripod. Handheld footage looks amateur instantly. A cheap gooseneck phone tripod costs about $15 and changes everything.
A lavalier microphone — $15 to $30
If you only buy one thing, buy this. Audio matters more than video. A shaky, slightly blurry shot with clear audio is watchable. A crystal-sharp 4K shot with echoey room audio is unwatchable.
Lavalier (clip-on) microphones plug straight into your phone and pick up your voice cleanly. The cheap ones sound almost as good as the expensive ones. Do not spend more than $30 unless you are doing this professionally.
Lighting — free, from a window
You do not need a softbox or a ring light. You need a window. Sit with a large window in front of you, not behind you, and your face is lit properly for free. North-facing windows are ideal because the light is soft and consistent.
If you have to shoot at night or in a windowless room, then consider a $40 key light. Otherwise, save the money.
Editing software — free
iMovie on Mac, Clipchamp or the Photos app on Windows, CapCut on phone. All free, all capable of putting together decent videos with cuts, titles, and basic color correction. You do not need Premiere Pro until you are doing this every week and you hit the limits of the free tools.
What to skip
Skip the gimbal until you need it. Skip the drone until you need it. Skip the expensive camera until you have made 50 videos and genuinely know what your bottleneck is. Most people waste thousands of dollars on gear they do not need before they figure out that the thing holding them back is the script and the lighting.
Once you have the gear, the real work starts. See Writing Video Scripts That Actually Sell for what to do with all that clean audio.