If you decide to control a cockroach problem on your own, you have a few basic and low-cost options available.
You could buy some cockroach poison and baits to put at possible locations you think cockroaches may emerge from. As we do not know which is the best cockroach poison or bait to buy and use, trial and error is the only method
In Sri Lanka, popular DIY sprays can be bought off the shelves. Yet health and safety could be compromised i.e. Incorrect usage or accidental contact of eyes with the spray chemicals.
There are still some simple practical tips of use to keep the cockroach pest away:
Close Food Containers tightly - Store all food supplies in airtight containers or in refrigerator.
Fix Leaky Pipes - Fix any leaking taps and wipe away any spills especially in the kitchen to remove potential food sources.
Fix Cracks - Seal all cracks and crevices and remove any bulky items from the ground which can be potentially a breeding ground for cockroaches.
Good Sanitation - Sanitation is not only an effort to create a healthy condition by maintaining and protecting the environment keep clean, yet it also one of the effective way of cockroach prevention that you can do yourself at home. Don't forget to always check and clean hard to reach areas such as behind cupboards or refrigerator to prevent the start of breeding..
DIY solutions and some basic houskeeping duties may help to prevent a cockroach infestation from happening yet DIY cannot guarantee complete removal of a pest problem.
DIY often takes a longer time, giving cockroaches already living in the time and chance to reproduce quickly, leaving you with a bigger problem.