Translation of speculate in Spanish

We could not believe how difficult it was to find a decent room in this four star hotel. I went to the reception desk and complained about our room and about the attitude and bad service.
Do you want learn Spanish? Do you have a telephone? I am looking forward to hearing from you and sorry again, I was extremely busy during the last three weeks. I hope you can forgive me.
Instead, we gave him one of our Swiss chocolates as a gift so he would leave us alone. It worked: the boy went to the couple sitting next to us and tried to sell our Swiss chocolate for 2 Pesos.