I know of electron but apart from the electron is there any other wallet which is safe?.
Be careful, that's electrum and not electron. Because if the spelling is wrong, you're likely to download the wrong wallet and lose all of your holdings in a glance.
Five figures a month you say? In what currency if I may ask?
Based on his posting history, he's from Nigeria so likely it is the Nigerian Naira.
@OP, I'd like to congratulate you with your first ever bought Bitcoin and this isn't the end of it and you're just starting out. Do always buy whenever you're comfortable and without having to restraint your budget. Good luck.