@Ryan Rudy
Hate to burst your bubble, but I've got 5 years experience, few dozen deals, built multiple lender relationships, and still can't get an unsecured LOC greater than $25k. So don't get your hopes up too much.
To answer your question cash discount depends on motivation level and exasperation level of the seller. You can get a giant discount if you find a seller who just had a buyer back out because of a bad inspection or financing fell through. If the house was just listed with an agent, is in perfect condition, those people can probably wait for the higher offer that includes financing.
Most of the stuff on the MLS right now is overpriced junk. Be very careful finding good deals on the MLS. There's a lot of buyers overpaying for properties right now. Be sure to factor in your full rehab costs, holding costs (interest, utilities, taxes and insurance), closing costs and profit margin. Most buyers don't fully account for all of those items.
Are you flipping or BRRRRing?