i have an idea but i need to validate the idea with its lowest version as possible but the frustration i have is that how do i talk with my target audeince ? for facebook my target audience exist but i heard facebook is extremely spam filter not sure , linkedin as a free account its hard to send invitation and wait for long to send dm its hard , for cold mail its extremely low reply rate , what should i do ? i want to talk with my target audience what should i do ? which is the best GTM strategy ? what you are using ?