What is the average experience of your trustworthy drain leak repair installation staff or do you subcontract out the construction? Do you hire only licensed and bonded sub-contractors?
If you ask and don't receive a copy of worker's compensation and liability insurance, don't use the builder. You may even go as far as to call the agent listed to verify that their insurance is in force. Finally, remember worker's compensation protects people. Liability protects property. You need to have both.
Ask the plumber company if they are properly licensed and insured and then explain your problems. If you can explain your draining issues, appliance fixtures, or any piping repairs that need looked at then your contractor will have a better idea of rates. Rest assure that even for home flooding, gas lines, and big water damages you'll still be able to get a hold of the emergency plumbing services in your area by searching local water heater repair service on the net.
If you live in a small community then there may be a plumber who will do 'out of hours' emergency plumbing repairs without charging a massive call out fee. A plumber that is willing to help his neighbours out in times of need is worth his weight in gold.
You save time and money in the long run since the investment is cost effective and pays off quickly. Modern day gutter guard systems are made from inexpensive and durable materials such as PVC and aluminum. They are inexpensive and so is their professional installation. The investment will pay off quite clog as you will save on cleaning and house repairs.
Glycol (Ethylene glycol) is the most common automotive anti-freeze but it requires safe handling. Ethylene glycol is a toxic substance that can cause death if ingested. It also pollutes the environment and should never be dumped in sewers or storm drains. Propylene glycol is a relatively recent alternative to ethylene glycol. It's less toxic but it's still a hazard and should be handled with care. In particular, keep both chemicals away from pets and children. Always dispose according to your local hazardous waste regulations. Don't pollute!
We see on programmes like "Wanted Down Under - New Zealand", that plumbers are in great demand and have even sought to recruit from the UK because our plumbers are rated the best.