I have an idea about the issues of using different wallet for your airdrop. I tried to avoid situation of using my investment wallet for AirDrop purposes. I've heard a news of so many people being a victim of their wallet being hacked from this.Probably, I have done hundreds of airdrops and only few of them were able to give me something reasonable. Many of them turned out to be scam. It is also important to use a separate wallet in order not to get your wallet hacked.