If so it is the same level of effort as changing it yourself.As for charging service call plus repairs, again, I don't know how you can conclusively deduct that a system breaks down exclusively due to dirty filters. 

There is always the possibility of a glitch in the system, so if you liked the way they represented you in the past, perhaps you could give them the benefit of the doubt and contact them again.If they don't reply immediately, start looking for a new agent.

I am a huge fan of the bus system here too, but as a mode of commute for your typical 9-5er I think the subway is more ideal.

They're still working out some of the kinks in their reporting systems, but if you want your properties rented quickly at healthy rents and with happy tenants, they can't be beat.  

These are annual amounts collected over a period of years to cover the replacement of major capital items such as heating and air-conditioning plants and units, electrical systems, roof's, etc.

Getting your license gives you access to the mls system to evaluate properties easily. 

I think central heat/air could go out of style if ductless heat pumps become cheaper and easier to install or if window/portable heat pumps become cheaper, more compact/sleek, or more efficient.

If you want to understand more about marketing, sales funnels, referral systems, etc., you can study others' systems and apply their logic (but not their copywriting) to your site(s) and repurpose the workflow. 

Two years on that system and it works.

Your boots on the ground,your engineering system mind, and your knowledge of the neighborhood you will be able to stir your ship from a distance confidently.Good luck