First things first to buy it you could take the easiest route which is Coinbase If you have a debt card takes a few days to verf the card but after that you can purchase BTC but buying it takes a week because Coinbase has to process it you could also take the much faster route which Is localbitcoins and choose a seller that excepts bank deposits and just deposit it into the bank account in person they send you in a mssg to tell you their account info trust me it's safe I've done this over 30 times and wallah the coins are released to your localbitcoins acc thn make a blockchain ACC and (look this up on youtube) and send the coins there to keep them safe and on investing in this no it's not too late considering the fact that it will grow to about 4 to 5 times it's worth now to say the least watch the Bitcoin Market and wait for it to go down a couple hundred bucks then buy it but the easiest strategy known to man is buy it and hold on to it as much as you can in the end you will profit