For me I keep my bitcoins in my online wallet here in our local coins.ph I keep it until 3 to 5 years I cash in my money and convert it into bitcoins and store it like im having a time deposit in the bank in that way I store my bitcoins.
Bitcoins itself has high security framework however in the event that you have some bitcoins then you ought to likewise keep it some place I have earned some bitcoins which I should need to be careful in wallet that is the reason for the wellbeing of my bitcoins I utilize the blockchain wallet to keep my bitcoins in it.