Well, there are lots of gambling platform that offers these kind of investment and the returns will vary depending on the players and how the platform plans to earn on investing.
Thanks for these information mate. It seems big platform such as fortunejack doesn't have this option. Anyway this is helpful, I'll check some feedback about these platforms.
Since you are participating on Yolodice signature have you decided to put up some investment too on your promoted campaign? I think that would be good leverage of your portfolio. Besides, its one of the most longest running campaign so I guess doing it for long term will beneficial on you.