Just search first what is the status there regarding using cryptos like for example Bitcoin. Because if you belong to the country that using crypto isn't allowed, there's nothing you can do is to use P2P exchange or else forget about crypto just not abiding by your law.
When have trades on P2P exchanges, it is very important to restrict your trades with old users, with good reputation for their past trades. Scammers compromise P2P exchanges with the new accounts every day. When their accounts are banned or restricted because of their fraudulent trades, they will create other new accounts to repeat their scams.
Have trades with old and reputable trade partners can give you an unofficial mark of safety. As a buyer, on P2P exchanges, when you are done with your payment, you must remember to click on "Paid". It helps to prevent the trade expiration and scam sellers get released bitcoin in escrow. Buyer will lose money and won't receive bitcoin.