Off Page SEO for Real Estate Website- Need Help

[kingage21]

Dear Friends, Last some months I'm working on a medium competition Real Estate keywords But I'm not getting the expected result, I applied maximum usual link building methods like Article marketing, dofollow profile creation, Forums,directory, some blog comments (you know maximum blogs are nofollow attributed, so I think blog comments are worthless now a days), Some directory posting etc. But I'm not seeing any result yet, my current ranking is 26thI'm losing my confident

Is there any problem on it's On Page Optimization? I really need help from Experts. Dear warriors please help and give me some suggestions. Is there any special technique to apply for Real Estate?

Thanks in advance.