if bitcoin corrects 30-40% alts will crash at least 60%. Alts are way more volatile than bitcoin and trading volume is also low. Dont forget back in 2018 when bitcoin corrected like 80%+ ,most alts lost 99%+. Even see what happened in march and all alts just plunged from January and way more than bitcoin. Plus Bitcoin has growing institutional buyer base which will keep the price even more stable than what we have seen earlier. I would say stick to bitcoin for bulk of your purchase and use smaller amount for alt moonshots.