Maybe it's priced aggressively enough that they think someone will buy it based on the limited info available on it, or maybe it's a FSBO deal and the seller is unreasonable, or maybe the listing agent is doing the best they can dealing with a difficult or hard to reach seller, or the seller has sloppy accounting, or they died, or the listing agent is incompetent/inexperienced, who knows?

This does not seem like an unreasonable price for getting 1 apartment deal under your belt.

Tenant agrees to comply with all duties required by Wyoming Statute §1-21-1204: maintain the Premises in clean and safe condition and not unreasonably burden any common area; dispose of all garbage and other waste; maintain all plumbing fixtures in a condition as sanitary as the fixtures permit; use all electrical, plumbing, sanitary, heating, and other facilities and appliances in a reasonable manner; prevent water pipes from freezing by turning off outside spigots, disconnecting hoses, and keeping the rental heated to at least 50 degrees; replace lightbulbs, air filters, water filters, and other consumables as needed; test smoke detectors every six months and replace batteries as needed; immediately notify Agent in writing of any defects or dangerous conditions Tenant becomes aware of; replace broken or cracked glass, no matter the circumstance of breakage, unless the Tenant provides Agent with a police report detailing breakage beyond the control of Tenant; pay to repair anything damaged by the Tenant, his guests or invitees, whether through intentional act or negligence; upon termination, remove all personal property and garbage either owned or placed on the Premises by Tenant and clean the Premises to the condition at the beginning of the AgreementCreate a policy and stick to it.

This is an unreasonable complaint regarding businesses.

It's unreasonable unless you are actually staffing this contractor.- Show them listings or HUD's of recent deals you've done to prove you might bring repeat business (If applicable).- A lot of the trouble is finding a good, professional contractor that will STAY good & professional.

"A one-man 24/7" expectation is unreasonable and will eventually cause a person a multitude of problems.I hope this helps.

Am I being unreasonable/slumlord. 

Assume that houses built in that period may have some lead paint.It really isn't an issue unless you are doing something unreasonable - like sanding the paint and snorting the dust.

But the broker said it wont' work, cause it is not enough to motivate the outside broker to bring clients over and the broker said my partner's request is unreasonable below the market value.

A 5% rate is not unreasonable, in fact it's a historical norm.