It seems better optimized than podio for funneling and processing leads. 

Professional photography, how to talk about the space, SEO, screening process, how quickly and thoroughly you respond to prospects, proximity to hospitals/industries utilizing temporary contract workers, etc. 

That's the number one thing to focus on whether it's cold calling, direct mail, SEO, internet marketing, whatever way you can let people know you exist as a source for buying houses is the most important quick tip I can give.