These are fantastic methods that I never would have thought of, especially the hard money lender method.

DSCR is often selected for the BRRRR method because it flexible seasoning.

this is old  tried and true method of simply having you pay them to get credit cards .. there is no need to pay for this service.. unless you want to of course.. there is no magic bullet ut there that is going to give you credit and financing unless you actually qualify for it.But zero interest credit cards are used by some to do rehab and then pay them off issue is though your fico score drops like a rock the second you take on all these CC.Also starting out there is zero chance of getting any kind of business line of Credit that is unsecured.

If I go with the BRRR strategy would love to hear some tips on how to successfully manage the rehab remotely. if you have money you could potentially lose to learn quicker start with the BRRRR method.

This is technically a method of buying/selling real estate, which is illegal without a real estate or law license. 

This method allows you to take some of the profit tax free and indefinitely defer the rest of tax, using it to purchase larger, nicer property/properties in areas with better cash flow potential.

Hey Marshall,I would consider going the BRRRR method.

Nathan's search method usually works, but I use what Google suggests: '<search item> site:www.biggerpockets.com' (without the single quotes on the Google search bar.) 

If you are seen to be using this for investments, then you will find it hard to get another FHA loan, making this method difficult to scale, but good when you are getting started.

2.For purchases made on a credit card, is it best to use separate cards, or are there good methods for tracking expenses by property?