Or why not pass a criminal defense law that says the prosecution cannot spend more money than the defense (equal funding to both sides) - so that less people are compelled against their will to take a plea deal that includes a conviction just because they're scared to get a worse outcome if they go to trial with a public defender with 1/10th the budget to put on a defense.

I see a budget for HOA, can I assume it's a condo? 

My budgets are limited for just over $ 100,000.

.#3 Contact Local Contractors for Labor PricingCall local Subcontractors and get budget pricing for common repairs on your typical rehab project.For example, call a roofer and ask what their average cost per Square of Architectural Asphalt Shingle Roofing would be on a 1,500 sf house, with a 6/12 pitch.Note: Some contractors will be reluctant to share pricing without seeing the property, but tell them you are just looking for a rough budget number you can use on future projects.#4 Compile Your Prices into a Spreadsheet or Estimating SoftwareOnce you start to get a better understanding of Labor and Material costs you will want to store this data into a spreadsheet or software that you can use to help you streamline the estimating process.The Book on Estimating Rehab Costs comes with a spreadsheet that you can use to help you populate your own database of labor pricing and material pricing.

But if you need them to stay in escrow to be able to budget properly, then leave them in.

These would be better areas for your budget with a low barrier of entry with good upside.

Do you have the budget to replace all the trim throughout the house?

With 4 and 5 bedroom houses, they are able to eliminate their housing payment from their own budget - After 18 months one is buying his next place and the other wont be far behind. 

My question is, after you scope the place out, how do you come up with a realistic budget for the repairs, remodels, and labor?

There are a lot of really terrible flips here, so there's opportunity to separate yourself from the competition, just make sure you budget correctly and make sure there's enough meat on the bone.