Recently I've sent $20 for a trade but even after 48 hours its not confirmed yet. Are you guys too facing this issue with bitcoins?
You are not the only one. Bitcoin network is currently facing heavy transaction load. Around 93k transactions are currently unconfirmed.
https://blockchain.info/en/unconfirmed-transactionsYou need to pay more than normal transaction fee to get faster confirmation, that is you need to pay higher fee if you want your transactions to get confirmed faster.