What money should you spend to build & grow your business?

photo by @rawpixel at unsplash.comOver the years I've received a lot of questions about what kind of money is necessary to spend in order to grow a small business.

Examples:
Should you spend $1,000 - $5,000 to create or upgrade your website?Should you spend money on a $2,000 training program / school that is promising you a comprehensive system to build your business? Should you spend $200 a month on SEO (search engine optimization)?(When) Should you hire a VA?How much to spend for online adver...