One lender advised me it's better to negative cash flow if I can afford it and still do 20% instead of 40%.  

What is your specific issue/claim ?

Continue researching and networking to gather insights specific to your area, and don't hesitate to consult with real estate professionals for advice tailored to your situation.

This is done to ensure that the property has been stabilized and to mitigate risks for the lender.Since there are various lenders and loan programs available, it's critical to connect with a knowledgeable mortgage professional who can guide you through the refinancing process and help you understand the specific seasoning requirements of different lenders.If you have any further questions or need additional clarification, feel free to ask!

You agree to buy at a specific price within a specific amount of time. 

@Mica MooreThe answer is "it depends" no one on the forum has enough info to give you specific advice.  

I would recommend consulting with your insurance and then getting your lawyer to draft one specific for your property.  

@Jason Yang do you have any specific questions or did you just need a referral? 

It's crucial to understand the state-specific regulations regarding like-kind exchanges, as some states may not recognize or fully conform to the federal provisions.

I don't lend in NY (we do investor loans in most of the country and consumer loans only in FL, but we do nothing in NY), so I don't have a dog in the hunt here, but don't discount other types of loans, including a loan designed specifically for flipping.