Email marketing is one of the most effective marketing methods nowadays simply because virtually almost all people use email. Check on those email fields or blanks required to be filled up on various forms needed in processing different transactions. A person without an email address is tantamount to a person without an online home, which is one big shameful truth for this generation.
The not-so secret way to surmount this dilemma is through permission-based advertising. There's no harm in trying after asking for permission.
Here you will find the most widely used methods to leverage channels without overspending,
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