Well, again looking at the market, I found that it was worth spending Starbits on rare people cards than on the cheaper epics I had available.

The account here is simple, the most affordable epic, is listed in 41k Starbits, with 600 Fans, 300 skill and 30 luck. Spending almost 36k (I saved 5k and a little Starbits) and got a lot more stats, especially Skill, in this process, I got only 7 luck less, but in my opinion, that's ok, for the amount of stats I gained in general.