Translation of ostensibly in Spanish

And I think it is really good idea for us to writing with each other in Spanish or English. however i am still beginner for Spanish learning. It seems still impossible for me to writing to you in Spanish. But i hope i can do it soon.
Considering that the lake was full of crocodiles we gave in to their demand and bought a can of Coca Cola. It cost us two dollars, and considering Cambodia's wholesale price they got plenty of markup.
The bus left on time to the border town Tacna. Crossing the border was also an experience. We needed to show our passports about seven or eight times and were checked for goods three times.