What is your view about lending coin?
Bitconnect, Hextracoin, Regalcoin, Firstcoin and many more.
I just see profit from lending, where is that profit from?
It is your decision and choice anyway, but if you really love yourself, I will advise you to stay away from bitconnect most especially. I really do not know much about the other coins you have mentioned but everything about bitconnect is more or less a Ponzi, and if you have read about Ponzi, you should know by now that they do not last and you may end up being the last part of the chain that the coin would implode on.Bitconnect, Hextracoin, Regalcoin, Firstcoin and many more.
I just see profit from lending, where is that profit from?
It's ponzi scheme 
) You'll be received more money every month if you can invite someone sign up and invest money under your refferal link. At the moment there are a lot of lending ICO in this forum ). I will never joining any ICO like that cause I really really hate this kind of business.
And when you tell people that it is a Ponzi, they attack you like you know nothing about what you are saying and then when the whole thing happens, they go inside the corner room and start sobbing like a little kid that has been abandoned. What is the difference between this and a Ponzi. Huge referral bonus, percentage profit on your holding and so on and so forth. It may not be now, but definitely at one point, the implosion will be huge.) You'll be received more money every month if you can invite someone sign up and invest money under your refferal link. At the moment there are a lot of lending ICO in this forum ). I will never joining any ICO like that cause I really really hate this kind of business.