Impossible Seller taking forever to respond

[Joan-Marie Pagan]

I’ve submitted an offer on a property (light fixer) on Thursday afternoon and STILL haven’t gotten a response to my offer?! Is this customary for an out of state investor to take this long to respond? She countered at 7:20am on Sunday and went off the grid AGAIN!! What should I do? Withdraw or hang in there.

P.S This is my first home purchase