• Can gambling or crypto trading/crypto investment be considered as a skill?
Even though gambling is a game of chance, it can be considered a skill if you can be profitable and use it as a source of funds. Traders that do not rely on signals from others but can assess the market on their own and still be profitable is a skill.
• Can a gambler or crypto trader/crypto investor earn as much as $10k in a month besides any of the aforementioned skills?
There are many gamblers and crypto traders/investors who earn $10,000 or more per month. Most of these guys are pros who know exactly what they're doing. In contrast, these are the reasons why others desire to trade because they want to earn as much as this someday, but their funds are gone.