Each person should be tailoring his investment to his situation, and surely there should be less ability to aggressively invest into bitcoin if you are brand new to investing and brand new to bitcoin, and so if you don't have your shit together, including having some consideration of the
9 individual factors.
That's what we do talk about on the Forum on how newbies rush into Bitcoin just because they have a little knowledge of it and they forget that they still need to learn more about Bitcoin, no plan no strategy and they engage in it because they see others benefiting from it, they feel is easy and they too can gain more than they invest, things don't work out that way in the crypto space, seeking for mentorship and advise helps a lot.
You are right JJG's mentioned 9 guidelines here is a perfect investment system for beginners. Newbies may have slightly different investment strategy as they are new - in this case guidelines are quite helpful for them.
This is where storing bitcoins with income and an emergency fund is very important - because if one does not have enough income diversification, storing BTC is far away. So having a spare fund of at least 30% after balancing the expenses with the income is a helpful situation to enter the bitcoin market. Here he can be advised 10% for emergency fund and remaining 20% for bitcoin savings. Risk tolerance for emergency funds mentioned here in point 6 is important to consider before entering this market. Although the emergency fund level can be increased by individuals, newbies are free to deposit bitcoins as they can decide to invest any amount. But increasing the level of bitcoin deposits and continuing for a long time can provide a perfect level for beginners.