Investment in advertising such as Google ads and Facebook ads to attract high value clients or new customers will be a good investment compare to other type of investments. If you put in $1 and get back $4, I am sure you will continue to spend money on advertising. This is how billionaires and millionaires leverage on their money to make more money suc as property, business, stock market and etc. However investment in advertising is one of the best investment. That why digital marketing agency like us with our expertise come into picture.