There is an exellent way to "invest" in medias and forums by launching a bounty campaign. Thus you will save money on marketing and promotional activities. Bounty campaign's participants spread information about the project in many popular medias and different platforms popular with crypto enthusiasts only for your tokens.
This is a good way to spread information about your project widely almost free and it reaches a large number of people.
But the most effective method to find an investor is to contact potencial investors directly.
How to do it?
The easiest thing is
to buy a database of investors.Advantages of this method:
-these databases have contacts of people who are interested in investing
-they are waiting for offers
-they are ready to invest money
-you can contact them directly to provide information about the project and discuss everything in detail.
There are a lot of offers for the sale of databases of investors on the Internet, but also a lot of scam.
So be careful, honest sellers always have a sample of database with details of contacts and email addresses, so you can check by yourself.