Really? And how exactly have you come by this information?  Were the viewing numbers provided by the landlords?  
.
Assuming an average of 2 adults per household and an average fee of US$37.50 per head, an income of US$3,000 per month would equate to 80 applicants per month.  
.
Perhaps we should employ a cadre of volunteer tabulators to conduct an annual census of mercenary landlords.  During the census outreach workers could encourage the landlords to modify their behavior.