"If you want to make money angel investing, you really have to treat it as a full time job, not because it makes you more likely to pick the winners, but becaus

"If you want to make money angel investing, you really have to treat it as a full time job, not because it makes you more likely to pick the winners, but because it makes it more likely that the winners will pick you." plenty of good entrepreneurs have great angel investing track records doing it part time (Elad Gil, David Sacks, Aaron Levie)