But the lender does not allow loan payment from the LLC business account because the name of that account does not match the borrower (me).

I don't have as many tips for solutions mid rehab, but I do know that most, if not all, of the very active investors that I know have established relationships with 2 or 3 lenders that specialize in programs that match their strategy and have an agent or two in the investors target market to help them find more deals without having to put much work into finding them.

Condos are also unique because each condo is different from another, so the strategy is really building by building, and there are buildings which match each of the options you listed above.June 2024 showed clearly the increase (and rush to sell) of inventory, that for 90% is driven by older buildings (40 years+).  

Your offer should match the type of person they are.

If it appears there’s a match, we invite them, husband & wife, out to lunch or dinner to get to know one another.

Should I speak to my lender first and see if they can match?

Should I speak to my lender first and see if they can match?

I would match those and stay clear of over improving the place. 

@Raj SinghI agree with @Scott Scoville that it's important to check the leases to make sure the rents match what the broker or agent told you.

Separately, there are plenty of ways to get money out of retirement accounts prior to retirement age (Roth conversion ladder, 72(t) distribution, or just get the match and pay the small penalty).