Well I wouldn't say I have an exact strategy. I like to buy stuff that is crappy enough to scare away a regular buyer, but not too hard to fix up. Flooring, painting, roof, that sort of thing.
I know what you mean about financing. Some local banks in the area will finance a mortgage that low, although I do like to pay cash when I can. I'm a really big debt-coward, so I try to pay them off quickly to save on the interest.
The Illinois Valley isn't too bad for investing, but it can be hard finding any multi-family, I've been looking for a while, it's mostly overpriced and rundown. Taxes are high as well. There is a triplex available in Dalzell for only 79k, and could pull in something like 1800 all rented (big money for the area), buuuuuut I've been told it's so lousy with mold, that you have to sign a waiver to view it!
The way things are now, I suspect that we'll see a big drop in housing prices in the near future, I certainly think they were inflated before that point.
Let me know if there's anything I can help you with, I'm keeping a close eye on the Illinois Valley these days! Since I get paid by Uncle Sam, I've been able to maintain a pretty good position and my houses have stayed rented.