I think Well in my opinion you don't need to make big investment In crypto. Or make small capital to make profit. Just join in bounty program or any kind of campaign to make profit.
I agree with you don't need make big or small capital to make investment in cryptocurrency world, cause even you don't have capital you can join in crypto by joining in signature bounty campaign there you can earn lots of profit. By joining in this campaign all you need is knowledge to answer the topic you choose.