Links from forum site's signature, will they help me get ranked?

Suppose, if I am targeting US traffic then will it be preferable to get a server from US. Will it impact my site's SEO?

Previously, I was using facebook ads and SMO for conversions. Then in order to increase my conversion rates I started using Google Adwords but still they are the same. I am still using the previous means of outreach as well.

Which is better to use, an exact match domain name or branded domain name? Which will help more on SEO?

Is it possible to earn from a site if I decide to not to use ads or sell any affiliate products in my site.

Recently, I came across this web tool Teacup which is an accessory tool of Google Analytics. Has anyone used it? What does it do?

I have a blog which gets targeted 2000 unique visits per day. How can I earn from it? Should I use any advertising network?

SEO is an ever changing process. So, I was wondering what the SEO experts do to cope up with all these changes.

What are the platforms where I can connect with the top Affiliate Marketers? I mean, ask for their suggestions and reviews.

Will creating a blog for an online community, will help it to grow?