Advice of selecting a child care

1.How to choose Child care for LO? My main aim is learning development for LO and not day care as I have helper to take care. 2. Should i start with half day or full day ? 3. Do we need to book in advance? If yes, then how much in advance? A year before ? 4. I am on EP status and looking for a reasonable CC as most of them are very expensive for Non PR and citizens. 5. Preferably looking near Tanjong Katong.