Professional service providers use monthly newsletters to nuture leads. "Nutured leads produce a 20% average increase in sales opportunities vesus non-nutured leads." (According to the DemandGen Report) This 20% increase in converted leads translates into thousands of extra dollars per month for a professional service provider. Forrester Research also found that companies who excel at lead nurturing generate 50% more sales-ready leads at 33% lower cost. Annuitas Grp."nutured leads make 47% larger purchases."