A helpful tip for visitors to Goa is to learn some basic phrases in the local language, Konkani. Common phrases such as 'kitle mhon gheun asa?' (How much does it cost?) and 'Saglea khup aabhar' (Thank you very much) can go a long way in building rapport with the locals. Resources like language apps or phrasebooks can help visitors pick up essential words and expressions to enhance their travel experience.