Welcome to the Q&A Forum

It's showing up as available to me as well.  I agree with Ryan if you're interested in buying it, now is the time to do so.

Your backlink profile consists mainly of generic directories and generic article sites and almost every link is keyword rich. You most likely are hit with an over-optimization penalty from Penguin. You really need to be more careful on the type of links being built, quality > quantity.

Tom,

I would say it's not bad for SEO, however it might be bad for your customers.  What's the reasoning for the random order?  Was it A/B tested? Etc.

I think either way is fine with #1 being better, but I would also add the name/brand of the store to this as well. Users wouldn't want 10 listings that said the same thing, they would want some way to differentiate.

It's not bad, my main concern right off the bat though is why do you have footer information that's different from the header.  That just seemed weird to me and made it come off as spammy.

Also, if you're looking for a lot of sign-ups to your newsletter, I would move the newsletter from the bottom to maybe a subpage.  A lot of people are not going to look below the fold and see the newsletter so it's hurting you having it there.

Sometimes this is done unintentionally, and there may be no ill-intent. Either way, one should be properly redirected to the other.

I agree with Tom that this is much of a business question if anything.  You need to ask yourself, what site has the best content and what site do you think that customers will go to first.

If you want to you can create, buypropertyanywhere.com and use each country as a subdomain or mini-page for example buypropertyanywhere.com/usa, buypropertyanywhere.com/bulgaria, buyproperty.com/china.

The problem is the order here. Remember that redirects fire from top down. In this case, you're telling it to redirect the main page, then redirect the secondary page, so what you get is / redirects to http://www.mainsite.com/tshirts.html and then it tries to redirect /blue.html but it's already done the previous redirect, so it tries to append blue.html to this and you end up with what you did, http://www.mainsite.com/tshirts.htmlblue.html

I don't have an exact answer, but I would stay away from it.  Remember Google wants us to create websites and an online experience for people not search bots.

I would say use hyphens in the urls.  I've never known there to be a ranking difference and in my opinion it's a best practice to use hyphens over underscores or plus symbols, and for readability for the user I think hyphens make sense. texas-plumbers reads easier than texasplumbers to a user, and for Google I would think it's easier to discern.  Imagine some titles where words could make completely different sentences by separating them at different locations.  http://www.boredpanda.com/worst-domain-names/ as some examples.

This is very common in Wordpress.  Have them change the template, and if they want it to still look the same then just call the style as a class.

I can't even access your content on the site.  I see home, mobile, and desktop as text and when I click desktop it just highlights mobile again, so nothing changes.

Yes, you will want to redirect it. Be careful though as a lot of times this isn't done correctly and creates a loop. There are multiple ways to do this including but not limited to DirectoryIndex or a RewriteRule