I would try a virtual fundraising platform (similar to Kickstarter). Best of luck!
Signals investors follows include
a) Incredible personal story of founders
Founder consider as prodigy, whiz kid with steller academic record, charismatic young leaders.
Example: Tesla, FB, Square
b) Unexpected early wild success of product or service
Product/service going viral with celebrities going gaga about it. Downloads growing like wild fire. Mass adoption of product of service without marketing dollors.
VC chasing startings getting funding from best in industry. Referrals from VCs & founders they know and trust.
Example: Most unicorn startups.
e) Excellent team + market + product package atleast on paper
Reasonably balanced team (top schools, leadership roles in startups, founders with exit history ) developing reasonably good product (catagory maker, painkiller, with build in network effect), serving resonably big market (USA, markets with large customers with surplus income) with potentially to grow due to developing moats.
Example: Most unicorns. Most b2b start, Google.