Newbie here, need help picking equipment

I'm unsure if this is where I should be posting this question so sorry if I'm in the wrong place

I am going on a vacation soon to the Bahamas and wanted to get 4 radios to communicate with each other so I'm delving into the world of radios.

I am looking for something close to $100, no more than $120 that will meet our limited needs while having room to play with as a hobby afterwards.

Some of the information I have come accross pointed in the direction of WouXun KG-UV6D and since then I...

Newbie here, need help picking equipment