Of course there is, the more capital you have the better chance you have of buying higher quality knowledge, tools and services. The holy grail is money makes money.
Capital to invest in services, tools, knowledge:
$100s - decades to learn
$1,000s - years to learn
$10,000s - months to learn
$100,000s - weeks to learn
$millions - days to learn
So the real question, is there a high probability solution for people with no capital, yes, their time. Is there a high probability solution for people with no capital and no time, only if you find someone stupid enough to let their knowledge or solution go for free.
It's really very simple, but that's not what anyone wants to hear nor believe, so they pretend it doesn't exit in the great delusion of wanting to make money with no effort. I have access to all five levels of tools and knowledge, at each level you need to prove to them why you should have access, most of the time they will tell you to get lost.
If someone is smart enough to bring in $10million of funds, take 4% per year in management fees, pay $200,000 for high quality services which keeps the clients happy, and pockets $200,000 in revenue power to them. There is no best, Sharpe, Beta, Alpha, it needs to be diversified to each clients goals, some want risk, some want return. That's why you have placement agents.