You should go for an incubator, I don't know from where you are, but in Italy there is 1 for each city at least. Just type on google name of your country/state + startup/incubator program.
They provide help especially in the first phases, coaching, networking, also funds.
I liked it very much while I was beginning my first StartUp project, unfortunately it is in italian, but I think you can use english subtitles.
The idea in a nutshell: You have the landing page, you invest some euros on FB/LinkedIn ads (or whatever social media you think your audience it's more linked to, either B2B or B2C).
Colleagues at University of Bologna always say to me that it is the first cause of cancer...
Anyway we cannot live without, a balanced diet it's just what we need. (i.e. not 3 spoons of sugar in the coffee ;))