And start making money from your swimming pool
Give enough personal info and links to your social media for your guests to feel comfortable and trusting and you'll get more bookings.
Be clear about your location, set a price per day or hour and use some tags so guests can find you when they filter their preferences. Be thorough in your profile and get good feedback.
Accept the offers you feel comfortable with. Make sure you trust the users that contact you before you accept the transaction. It's the same thing than when you open the door to share your house or car.