This homeowner lost S$3,000 chasing a quick fix to a leaking wall in her flat. Was she scammed? What happened:
https://cna.asia/42jlXir
During heavy rain is the best time to inspect a house which you want to buy. Check all the walls, inside all the false ceilings, balcony floor, rain downpipes and etc for seepage. If no warranty the repair costs could be very heavy