Some people go right into renting for their Vacation, not knowing that there could be hidden costs. These can substantially change the economics of your vacation on the beach. So be prepared and ask the questions up front to make sure you get the most for your money on any vacation rental.
The owner or agent may require a cash security deposit before they hand the keys over, at the final checkout this will be returned to you minus any expenses for damaged property, unexpected cleaning or phone bill. The waiting period to get your money back can be as long as 30 days with some agencies. With phone charges the way they are today - look for owners who offer free local and long distance. Many owners will waive the security deposit as well but cleaning fees almost always apply.
Make sure you know the cancellation policy. The owners aren't trying to punish you here, but if you wait too long they run the risk of not finding another renter, which greatly impacts their income. If you cancel your trip you may not get the deposit back; this is also the case for if you cancel the trip after you make the full payment there is always a chance that you won't get your money back. Most agencies and owners don't require full payment until 30 - 45 days before arrival. In an emergency many will work with you to credit for future dates.
Some other hidden fees could include Travel Insurance, Linen Rental, Pet Fee, Unit Service fee, and Reservation Fee. Most of these are optional but they could still be something you should plan ahead of time. Realistically speaking Linens should be included in the rate as should the Unit Service Fee. Anyone charging for this I would avoid. Travel insurance is cheap and can be obtained easily, just make sure you are clear on what it covers before buying. Whether it makes sense is a personal call. If you know you are going I would avoid the extra expense. Pet charges should be fair and reasonable.
All in, Beach Vacation Rentals provide the best of both worlds. You save money on the nightly rate with larger parties, you get more room, more comfort and great locations. As is always the case look for reputable members of Travel Organizations such as TET (Trust Earned Travel) or Trusted Vacation Rental and enjoy your Vacation.