Many of us choose to go DIY method for our homes. The practice is good but may not work in all cases. Talking about pest control, one should go the professional way as the exterminator will know the extent of damage that the pest can make. He can devise and apply a tailor made solution that works better than a DIY. Also, if an experienced pest controller is good at dealing with chemicals and prevents any risk areas, which is a major issue with DIY. Again, professional pest controller can give you warranty about the treatment.