Here is some ballpark costs from a recent closing, ignoring costs directly associated with financing. 

It has been shown to drive the cost of renting up for new tenants. 

I'm guessing if Buildium and Appfolio are like every other cloud service out there the issue isn't so much the cost (some can be passed through to the owners) but the training cycle on it. 

They suggested while the property is vacant it is easier to repair, which costs 10-15k. 

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

I do not have much knowledge on real estate but I am the hitting  books: BRRRR by David Greene, Estimating Rehab cost by J.Scott, Investing real estate with no/low money down by Brandon Turner and finally, Rental property investing by Brandon Turner.Outside of real estate, I enjoy swimming, bike riding, watching anime, playing video games and interests in the stock/house market.Excited to learn and connect with you all!

Occupancy rates remained robust at 74.1%, outperforming the national average by 0.9 percentage points.Asking and Effective Rent (ADR and RevPAR)ADR for all tiers is projected to grow steadily over the next few years:- 2024: $193- 2025: $197- 2026: $200- 2027: $204- 2028: $209RevPAR is also expected to show consistent growth:- 2024: $155- 2025: $160- 2026: $163- 2027: $166- 2028: $169Upper-tier properties command a significant premium, with ADR forecast to be $233 in 2024, compared to $122 for lower-tier properties.

But when I got my first bill from the attorney for 3000K+ I started to worry about how high legal costs could get even if they buyers dont win.

Not aware of how construction cost are looking in Milwaukee, but I'd talk to a couple of contractors/developers in the area.

My $10k example was admittedly unrealistic.However, by way of further background, @Dustin Heiner wrote an excellent article on this topic on his website masterpassiveincome.com titled "What to Do When A Buyer Backs Out From An Assignment Of Contract".In it he suggests a scenario where the assignee decides not to proceed, perhaps after discovering a big ticket repair item that would cost significantly more than the portion of the assignment fee held in escrow.