I agree but you were going on about how expensive web space is, and now gone completely gone off rail.
I fail to see how answering your questions suddenly made me go off-rail :| You asked questions - I answered.
Well, web space IS expensive, its not cheap cheap. I think where many go wrong is to think they can 'link build' on the cheap, and it cannot be done in these times. 7 years ago, it was so easy as everyone was linking with everyone - out of kindness eg:
here friend, you got a nice site, have a link on me
and they likely got a link back too, as people were into seeing who's linking to em bcos of all that charming friendliness and trust and excitment about plonking links onto their sites cos it looks cool man..... - now, lol - forget that.
But now, you're looking at £60, £100..... etc, even £3000 for just text links on some of these sites. I actually phoned MSN.co.uk, and they wanted £1500 for a text link - minimum! also spoke to a NTL sales rep who wanted £3000 for link on the homepage for 1 month.
Its just crazy, so I guess people cant be blamed for seeking the odd freebie, and I dont refuse them myself you know... but I know its not something to be relied on, as one minute you got 500 links, the next you lost em all - it happended to me, except I lost 40'000 worth.
I think you need a 2nd website, to accumulate content, in the hope it gets linked to, and the content pages picked up, people begin talking about the site, so you get more links and so on. If content is good and plentiful, you will get links, its just a matter of the right type of site to begin with. What is popular, what is cool right now, you got to be careful not to blindly copy a dumb idea nor do something thats done 500 times already - which is media suicide straight away.
I believe most websites with enough content thats updated regularly, will see links. But you cant be a plumber with DIY guides on the same site, it looks weird, strange - sort of unacceptable. But keep a guide as a seperate site or even blog maybe, and you wont mess up your main site, and keeping it professional, to the point - you know.... Most businesses are NOT portals, so dont act like one... you want links, then you need a website specifically designed to capture links. But for plumbers, they need to get into house owners minds right, so what about a website all about Plumbing eg:
http://www.thehousedirectory.com/ that kind of thing, but for Plumbing.
Now that House dir has about 3,651 links - it aint bad.. Dunno what the traffic is like, but it probably gets a shed load of visitors.
Now I'm not saying all rush off and start portals, but content is king where search engines are concerned. So a good blog stuffed with hints and tips is great start and can be set up for £200, on-site SEO yourself and stuff it with images and things. You could have a resource page like most sites have, give it some headings and wack in the original content, ask people to add tips, share it with friends, wack up a bookmark us link, basically give people a good reason to mention it.