real estate blogging

I'm looking to purchase a domain for a real estate business and would like to optimize it using SEO techniques. Could you please recommend a reliable platform where I can buy the domain at a discounted price? Also, I’d appreciate guidance on how to effectively rank the website using SEO strategies.

Currently I have 136 real estate niche blogs where I always welcome guest articles. My sites are focusing mainly on real estate market, real estate trends, local real estate services, US real estate news, realtors guidance, real estate agent, brokers and mortgage lenders help and real estate...