Otherwise, you will have to explain the large deposit and possibly the source of the funds to buy the crypto.You can expect to need about 20 percent of the overall costs of the purchase and rehab.

roof? 

Almost an impossible way to “get started” as you’re going to need full purchase price in cash on hand or a HML willing to instantly fund you. 

Things like a new roof can range - here in Philadelphia where i do a lot of work, our flat rubber rowhome roofs are fairly inexpensive and standard . . .

The bank will put a hold on them, so you can't just draw them out, so don't plan to need them for a while.This will cost you an appraisal on both properties to be performed by that lender. 

A cash-flowing, large lot, alley loaded duplex that needed a new roof, painted and new floors.

If it’s the latter, then you’re going to need to devote an immense amount of time and energy to becoming a full time agent.

on a 100 year old house that rents for $1000 a month that's about to need a new everything - that is spectacularly deficient.  

Many real estate agents are  saying rentals are great, that are not buying themselves.If you had a roofer come to your house and look at your roof do you think they would recommend a roof?

Your roof and exterior material?