Are lenders required to provide rate lock confirmation?
something formal is always better but if you feel as though your lender is trustworthy then an email is fine. Additionally, once you make application the lender will send you formal disclosures. In that packet look at the "good faith estimate". On the top of page 1 it will tell you whether the rate is...

Looking for a lender that will do a 80/10/10 loan in Delaware
Hello Andrew. A home purchase in that range requires a 20% down payment because it is in a loan amount category known as Jumbo loan. PMI companies will not lend on jumbos so the minimum down payment is 20% so that there is no PMI. I will research some alternative options for you. Feel free to call me with any...