You can get detailed description of all the benefits here:https://www.biggerpockets.com/blogs/2810/21298-sol...However, Solo 401k plan is not for everyone. 401k is an employer sponsored plan and in order to establish the plan you need to own a small business without full time employees other than owner(s) and his/her spouse, or have legitimate self-employment activity (I also discuss this in the article link above). 

@Tatiana Gershanovich Urban centers of the state of WA are as tough and complex as just about any other jurisdiction I have worked on the west coast.. ( expect the coastal commission in CA they are a whole nother animal).What I find interesting with Washington though Is I can say go out to Klickitat county and just break properties up by deed description like the old days..

The ad mentions generic house description.  

In the description “owners may want buyer to participate in a 1031”.

Bank of America for example provides prices, photos, and home descriptions with contact information.

Based on your description though wouldn't an awning be viable. 

Hi Aquila,Given the description of what you are looking for, it can be seen online some cases like the following example pictured here. 

—you want to develop an investment calculator where you input your buying parameters and the spreadsheet gives you a quantitative description of what you should be looking for.

Be sure to give a very specific description of what you want done.  

Your "SEO expert" should understand open graph, Twitter cards, and any relevant metadata that any number of social media services care about.For sharing, the metadata helps describe what image to use, what the title should be, and what summary or description text to use.