Hello I dont know how to do all the rennovations I see my brothier doing at his rental project, I just feel like at a base leval I dont know anything no matter the history and work, how am I going to buy my first deal when I dont know ****  pleas help me dial it out of this hell  refering to the rehab skills mainlyhow to deduct all deffered maintances and otherwise I make 1k a mouth but what happens when a major rennovation takes place

However, since we don't have any experience in rentals, we don't know if we should buy a single home and get it rented out or buy a multiplex.

Tenants know there is maintenance so if you sell them the home the total payment they have to take on (mortgage payment + pad rental) has to be significantly less than what they are currently paying for total rent. 

Or does everyone just blindly put down the highest they can offer without knowing how much the others have bid?

NO, However I do know some that offer seller finance deals , happy to recommend.

If you know that going into the deal, you will know to offer a little less on the home. 

We completed our first fix and flip with cash and earned a 78% ROI. I now need a lender who can help me purchase my next properties so that I maximize the profits from my first property.  Any advice for shopping for l...

Let me know if you have any questions

Hire a property manager who knows they are doing and work that into your profit numbers.How do I find new expanding and promising areas? 

First and foremost - know it it is way harder than in the tv shows!