I see the reason you're struggling so far, and it's because you're waiting to go see the property first and people like us are submitting offers sight unseen with no contingencies. It'll be a bit hard to snag a good deal if you're going to wait to see it first.
My suggestions would be 1 of 2 things. First, try to focus on the ones that have been on market for a couple weeks. Those properties have passed that initial bidding war phase and now its just on the market waiting for offers so you can take more time with those.
The other alternative would be to learn your numbers(price, rents, typical rehab etc) in that area so well, where you know what you can bid comfortably with room for error, sight unseen.
Also trying to snag an investment property first day its listed, with conventional financing is going to be more difficult. You will probably have an investor(s) bidding with cash and cash is king. Not trying to discourage you just want to give you the scope of the land right now. Keep going tho! There's always listed deals to be found.