NEW YORK--(BUSINESS WIRE)--RentShare.com, a leading rent payment provider that makes it easy for tenants to pay rent online to landlords of all sizes, announced today that it will be supercharging growth efforts following its recent sale to i3 Verticals, LLC, a payments technology conglomerate based in Nashville, Tennessee. Backed by the parent company and its recently announced $50 million credit facility, RentShare is investing heavily in the mobile rent payment sector and is aggressively tar