i Have started with 100 USD and made it to 250 USD without any knowledge on Trading. and then, i kept the whole money to purchase a coin, due to panic selling i lost the whole money. Next i purchased Altcoins and Hold long meanwhile, I purchased BTC when it was 5000 USD and withdrawn the money when it reached to USD 17000. again i Invested when it reached to 4000 USD last time.
Along with the BTC, i hold several Altcoins as well.