The 5 Key Choices for a startup 1. Sourcing for funds : going for venture investment, angel funding or self funding Although the angel investment does sound like a low risk option, it does offer a caveat. Not only do you have to prove the concept, but there is a constant requirement to achieve goals for the release of necessary funds. For people who think this might be similar to a job, it does entail a lot more than a normal job description would suffice.