Should I have financing lined up before I make an offer?

[Tyler Peters]

Hi everyone,

This is my first post on the forums, not sure why it has taken me so long.  I just started a three month real estate investing course and we had our first assignment due this Sunday this regards to our "why" we are in real estate investing.  I am a big Warren Buffet fan, mostly his philosophy on life, but his quote "If you don't find a way to make money in your sleep, you will work till your dead" really resonates with me.  This got me thinking and here is my question to the forum:

What is your opinion on have funding in place before you start making offers on properties or start making offers and hope you are able to fund the deal after the offer has been accepted?

Thank you for your time in advance,

Tyler Peters