If they've had a good experience with a lender, then chances are you are setting yourself up for success down the road.Lastly, online search/databases - Simply by searching online you can find a number of quality reputable national lenders.

Whether you are a seller or a buyer, my best advice is to always use contracts with provisions which protect you and your best interests and to work with reputable real estate agents, title companies, attorneys, and other real estate professionals who can help you through the processes from start to close.

Hi Roshan,It looks like others have made some great suggestions.You can call up local banks/credit unions to see what they might have to offer.Additionally, if you are looking to go the hard money route, you can use the 'Network' tab on BiggerPockets to find a reputable list of hard money lenders in your state.Coming from the hard money lender side of things, lenders often separate 1-4 unit properties and 5+ unit properties into different buckets, so you'll want to be sure you're working with a lender who is comfortable with a 6 unit property. 

It’s tempting because we need the financing to reach our goals, but just know that dishonesty almost always eventually catches up with you and once you have that reputation, it’s difficult to overcome.

Any recommendations for reputable and good rates mortgages companies?

I have a bigger issue with the rest of your comment.As for foundation issues, I am not sure how any other companies operate, but given our fantastic reputation and what our processes are, your comments didn't sit well with me.  

It's the reputation of the facility.

That said, I suspect that large operators are buying mostly for their own benefits: they get acquisition fee and asset management fee from the "day one" and if their investors end up holding the bag 5 years later, it's a ding on the operator's reputation but the fees have more than paid for that ding. 

Most wholesale deals right now will be cash deals, but reputable wholesalers or ones with a lender partner, will offer some deals as finance-possible.

It does not hurt you as a landlord to have tenants pay two days late, but making demands of tenants who cannot change their circumstance will quickly give you a bad reputation.