My primary focus is on fix and flip transactions, but I’m also open to buy and hold strategies as an alternative exit plan.From what I understand, an LLC can limit the liability of its shareholder (me) only if it is established in the same country where the property is located.

You could buy via lease-option, which usually doesn't trigger due-on-sale clause.

Can you hold on to anything you buy for 2 years before reselling? 

After you find the list, are investors directly contacting the owners to cut a deal and buy the home before the tax sale?

buy wrong and you end up like these folkshttps://www.biggerpockets.com/forums/48/topics/1137397-balti...https://www.biggerpockets.com/forums/610/topics/990055-disas...https://www.biggerpockets.com/forums/48/topics/1160450-run-i...

look for the signs that say "we buy houses "  .

I want to know if there is a point where the cost start to outweigh the benefits and if I should just look away from this study all together when it comes to the houses I would be buying. 

Investment Info:Single-family residence buy & hold investment in Ellijay.

I also used a HELOC on my current house hack to buy.

Personally I have spent tens of thousands buying liens in Colorado over the last 3 years and have calculated the premium bidding as a cost that I would recover from actually getting a few deeds.