What influences the probability of generating a PoS-Block? Only the amount of mature coins, or the coinage too? How longs does it take to produce a stake with only 10 coins in my wallet?
You probably want to add those coins to a stake pool rather that staking in your personal wallet, as a stake reward could take months.. check out
https://stakeunited.comas mentioned in this thread the returns on stake united for monk are amazing, especially for new and small holders joining a community pool means x2 a day (current payment frequency)