Yes it is often good to invest in ETF Long term Portfolio. Try passive Investing with Robo Advisors read about it here in detail here . I have experienced that passive investment often results in higher returns than active investment.
It is said that you need to be 10x better than the status quo for disrupting an industry.
The guys at dashlancer offer a servixe for an 1% fee while the industry average is somewhere around 15-20%
Furthermore they did a detailed market research indicating strong interest in cutting out...
You can do it by yourself too. Because if you hire a company to that the company will take almost 25% of your Budget and other additional fees as their service charge.
It is very much easy to setup and run a campaign on Google Adwords. Also, there are many tutorials available provided itself...