Usually a real cost was quoted and disregarded as too high.If there was unforeseen work necessary to complete the job, this is really nobody's fault but a frequent occurrence in this business.

May end up using $3,000 of my own money for going a little on the higher end of my renovation budget due to an unforeseen issue, so I’ll be going over the borrowed amount.

Home construction - Unforeseen cost such as hooking up to the sewer and storm drain system.

In the event any additional administrative duties are required to be performed arising out the tenant's failure to comply with the terms of this agreement or in keeping with any ordinance or statute at law, the tenant shall pay an additional administrative fee at the rate of $40.00 per hour, to the nearest half hour, being payable to the owner as compensation for such unforeseen administration.

Non-qualified period can be ignored if the period of temporary absence (not to exceed an aggregate of two years) is due to change of employment, health conditions, or such other unforeseen circumstances as may be specified by the IRS.

I just feel that you'd be inviting more "unforeseen" problems with that type of strategy,  

Fortunately, we were able to acquire the property at a very strong equity position and have cushion for any unforeseen expenses, but moving forward, I will definitely have utilities turned on and get an inspection.

Too many unforeseen moving parts and law is never on the side of the landlord.

I understand that any contractor who will be working at the property should have insurance, but we are wondering if it is worth it to obtain our own insurance in case the contractors coverage is not enough to cover an unforeseen accident.  

Those historical Windows (and homes in general) can sometimes add unforeseen expensive hiccups.