The system in use had pvc pipes coming from the attic to provide air for each room...

Instead of heavily discounting place and not building reviews on Homeaway/VRBO and Air why not go ahead and knock out the upgrade now?

Make sure you follow the statute on notice service - 3 good faith attempts to serve in hand then if unsuccessful leave in door and mail a copy.

When talking cap-ex, new-ish roof, new water heater, new central air system.

When talking cap-ex, new-ish roof, new water heater, new central air system.

It's okay to be vulnerable about areas where you aren't an expert - good brokers will want to help you succeed and you're open-ness will be a breath of fresh air. 

I undertand the 50% Rule is there to cover vacancies and repairs, but just about everything in the property is new from the roof to the central air, and I don't foresee any major repairs for the foreseeable future.

The value of a house is pulled out of thin air.  

We haven't researched it much yet but I've thought about a short term rental (like air bnb) on either Lake Holcombe or Lake Wissota and those are right in your area.

We plan to replace with tankless water heaters and in-unit high-velocity small duct central heat and air (using electric baseboard for the garden unit heat), and also remove all the radiators from the building.With the furnace and water heater removed, we would like to knock down the walls dividing the current furnace room, and make one larger rear, which is the bulk of the remodeling work to be done. don't not currently have drawings or architectural plans.