If you're planning to visit Siargao Island soon, you can check out the lowest prices of accommodations in Siargao here. (taraletsanywhere.com)
If you're planning to stay in Dumaguete, you can check out the lowest prices of accommodations in Dumaguete here. (taraletsanywhere.com)
Less experienced miles / points collectors should almost certainly focus on price of accommodation first and worry about the miles earned later — it's just too easy to overpay and too easy to begin hoarding miles that will then only devalue. (travelingformiles.com)