There are no two ways around it, high quality continuous LED lights are expensive. When you need a good amount of light and a high CRI that passes all the necessary certifications and safety checks, that’s just the way it is.
Sure, there are cheaper LEDs out there, but they’re often not very good. They have colour issues or aren’t very powerful. But if you’re handy with tools and a soldering iron, there may be a better, inexpensive DIY option, as this video from Matt Perks illustrates.