>>535368169
>fail debut
nah that's too minor, there's usually a turn where there's only a single friend in all the good training spots so it's just some extra skill points with basically no stat loss.
>>535368272
there's 50 carats for each race you complete your career with past 20 for the first time.
other than that, not really, but you can still get enough for spark farming with mlb cards, extra races give 10-15 stats each