Hi there, the you can go on https://localbitcoins.com/ and buy and sell BTC for cash. The wirex card option is the most convenient actually if it's available in your country. Check on their website how to connect it with a bank account or paypal. Also for localbitcoins and wirex, there are provisions, you can just compare them and choose the best option.
If you can connect with users from your area, check it out here in the forum, the easiest and cheapest way is to meet up and make a direct transaction for cash.