PAYING FOR UNRELIABLE LEADS:
Pay per lead is quite common but it's heavily dependent on a list emails and phone numbers, without knowing if these prospects are actually affiliated with the same industry as yours.
Pay for double verified leads only!
INVESTING IN PAID PROMOTIONAL CAMPAIGNS:
Promotional campaigns with Google AdWord is mandatory; however, avoid investing there unless you're backed well with capital. One needs to realize that it's heavily depended on keywords determining the ranking factors.
MISMANAGED ORGANIC FUNNEL:
An organic inbound funnel is meant for bringing visitors to a website...