Yeah giving loans with bitcoins is a good thing that will make you some money
Loans are not good maybe think more where you to invest your bitcoin. Try to invest it trading altcoins you can use it and get more profit than to giving loans to other. Loans are small interest you get but in trading it a large amount you can get to it.
Loans are dangerous because they may not be damaged. We need to think about how these loans will be provided.
Now it is very difficult to find a company in which it is not terrible to invest bitcoins.