Nowadays there are many frauds in real transaction and in the internet.If you don't know much about bitcoin transaction and bitcoin then you can take advice from this guy.
First take full knowledge of this person that he is also completely reliable.If he is trustworthy then you can trust him till you get knowledge about Bitcoin and its transactions.If you want to make a significant investment in Bitcoin, I would suggest that you first acquire a good understanding of Bitcoin. In today's times, people often feel uneasy when they see money, and Bitcoin, being decentralized  allows you to have control over your transactions enabling you to conduct them as you wish.