How to undertake multiple transactions at once?

[Catherine McHale]

Hello,

I own a few properties- an SFR by myself, and 2 duplexes with a partner. I currently have another SFR under contract, partnering with a different partner. I would like to accelerate my purchasing before interest rates tick up by getting a HELOC to tap equity on my primary home to use as down payment for the next property, But I think I need to wait until the we close on the current under-contract home, to avoid creating issues with the underwriter. I know there are many folks on here who purchase multiple properties each month- how are you able to do so? Should I be looking for a portfolio lender? Also concerned that each time I apply for a loan, my partners need to submit a certain amount of their financials, bank statements, etc., to show where income/expenses from each property go, Is there a way to streamline this, to avoid having each partner have to provide paperwork for every new deal of mine, even if it does not involve them? Thanks for any help!