It will likely be a web of contractors, engineers, and architects, but some those are ultimately leading to the developer. 

- We had 2 break-in & furnace & HWH thefts there this year:(File a claim ASAP, you'll need:1) Utility bills to prove electric & gas were on2) A police report, proving a break-in3) Pics/video to prove the condition of the property to support theft claimWhat are you doing to mitigate additional damages?

Networking with other local investors or joining a real estate meetup can also help you find great lenders, property managers, and contractors.

I'm considering a fixer upper to retain as a rental but need guidance on how to pick reputable contractors.  

Having a solid team around you like agent, lender, contractors etc.

Regarding the electrical issue - we always attempt to troubleshoot with the resident prior to dispatching a vendor. 

A complete overhaul of the kitchen and bathrooms, including cabinets, countertops, LVP flooring, electrical and plumbing fixtures.

I'm a licensed contractor focused on interior remodels, and a realtor as well, reach out if you have any questionsBest,Ryan

However, these properties generally have a lot of land improvements that qualify as well as certain portions of electrical, mechanical and plumbing that can qualify.

But the answer for everyone may differ.Here are the personal attributes I see in those able to achieve a higher than market ROI, enough higher to be able to “scale”.1- Knowledge of real estate principles, real estate law and real estate finance2- Minimum 3 -5 years full time, or near full time experience directly related to real estate investing3- Ability to utilize technology for increased efficiency, capacity, and accuracy4- Excellent hired legal counsel and excellent hired marketing help5- Established method(s) of obtaining consistently high QUALITY deal flow6- Ability to manage and choose people who are NOT employees: Attorneys, Appraisers, Mortgage Brokers, Real Estate Brokers, Title Companies, Surveyors, Marketing Specialists, Accountants, Contractors, Consultants, Property Managers7- A VERIFIABLE track record of success8- Ability to identify, analyze, and negotiate a deal that can be “worked” for “enhanced” ROI9- Some type of competitive advantage; for example for me it’s my ability to analyze and identify mortgage loans that are actually less risky than all other lenders believe (on the investing in debt side), and on the real property side it’s my ability to analyze”pull the trigger” with LESS information than other investors need,  combined with the ability to pay cash, or raise significant capital almost instantly as well as being able to obtain loans at the lowest prime customer bank rate with no recourse or personal liability.