Stay focused and don't try to do too many things at once. Care about execution quality.
You have to find a small market in which you can get a monopoly and then quickly expand.
There are 3 things I look for when I hire people. Are they smart? Do they get things done? Do I want to spend a lot of time around them?
Or a way to stay on strangers couches, that just sounds terrible all around.
If you're not in college and you don't know a cofounder, the next best thing I think is to go work at an interesting company.
Because so few people make an actual long term commitment to what they're building, the ones that do have a huge advantage.