Dissapointed with Vhouseplans.com

I am very dissapointed at Vhouseplans.com business, they promised me to finish my houseplan in 5 to 7 working days, now it has taken 4 weeks, when you communicate with them they don't respond, they have been very unprofessional in their communication, I am very dissapointed, still when I communicate they do not communicate