Universal: remove one, lose more if whatever else you put it in dies/is lost
No doggie coin: more risk of ending up with weaker buying power than other people, if doggie coin continues growing faster than Bitcoin
No Monero: more risk of police state rising up, more risk of being blamed for stuff, possibly more risk of being robbed due to people knowing how much money you have, etc.
No Bitcoin: can't use with retailers that only accept Bitcoin, etc.
No silver: more risk of ending up with weaker buying power, if silver to gold ratio continues historic patterns
No gold: more risk of ending up with nothing if electronics fail, unless you have lots of silver anyway