Profs, I need your advice! I'm in a final & best situation, offer due tomorrow

[C Rich]

I am in a situation where my previous offer was neither rejected nor accepted and the winning bid fell through so the property is back on the market. My R.E. agent is advising me to submit my 'best'. I'm sticking to my original offer which I found fair considering the work that needs to be done and since the listing agent didn't 'reject' it.

Am I shooting myself in the foot?

I like the property and see it as a money maker, but I won't be conned into overbidding or bidding against myself. The only monkey in the wrench is that the property purchaser type (i.e., OO or Investor) makes a difference and I'm not in the 'preferred' category (OO).