You definitely want to use a thorough screening method like rentprep.com that gets their income, credit, background check, and call at least 3 references (make sure to verify them by address/job and then their name).  

I feel direct mail is another great method.

I would be more hesitant if they were added on (new plumbing and electrical) vs just upgrades to existing.

My method has always been to call every listing that hit 90 days on market in areas that I want to buy.

I hope to find a single-family home with at least 4 bedrooms, use the BRRR method to turn it into a short-term rental property.

Unfortunately, while there are other methods to acquire investment properties, the reality is you need cash and reserves to plan and set up your investment portfolio accordingly. 

Since the funds are business credit, you wouldn’t have to worry about personal financial strain, and it allows you to keep your capital intact.I’ve seen investors use this method in various ways: some use business credit cards (with 0% APR for 12 months) to pay for renovations or bridge loans, others use business lines of credit to cover larger gaps.

., major systems like plumbing/electrical)Full Gut/Studs Down: $85-$120 per sq. ft.Luxury Finishes: $150+ per sq. ft.For ARV (After Repair Value), you’re absolutely right—it’s all about comparable sales ("comps").

Probably going to be a check.Smart contractors are starting to understand that convenience matters to customers and being able to take different methods of payment can help them collect their money.

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.