I suggest you keep 50% of your bitcoin, buy Ethereum around 20%,  buy NEO 20% and Monero 10%. This coins are one of the most stable price in coin marketcap. You can buy other altcoins with  high provability to get better profit but you could also lose from it like TRX.

It is possible, there is no limitation on terms of Cryptocurrency investment. There are some rich investors are very addicted in Cryptocurrency and I saw one of the wallets through etherscan that a single ERC20 wallet contained big amounts of almost coins in the market. A couple of coins is are even valued a million of dollars

Хорошие сигналы да, но далеко не все. Некоторые пампы устраивают специально чтобы хомяков побрить и заработать. Лучше самому просматривать новости и трейдить по ним