I typically recommend that my investors start with more cosmetic flips that can be done in 3 weeks to 2 months to build the capital for bigger rehabs that have more equity. 

Site Improvement and Infrastructure Development - What does it typically cost to prepare land for residential use, from clearing to grading?

Just ensure this is clearly outlined in your assignment agreement.But in my experience, typically the wholesaler submits the EMD with the PSA to the title company for escrow.

Adding a single ADU in southern CA is typically a poor investment.  

Because typically when I put a house up for sale, I will get a call from an agent that has (allegedly) a buyer, and they ask "are you willing to pay me 3% (or 2.5%)" and i usually work out something that works for both parties.But I wonder...is the buyer now responsible for paying their agent?

Wholesale fees are typically calculated by determining the difference between your contracted purchase price and the price an end buyer is willing to pay.

They typically have soil scientists in-house that can analyze the soil for you and provide you with a detailed report of the conditions and give you recommendations on how to prepare the soil for construction.

That is how we typically do it

Those who are here for a specific purpose like finding deals or raising money typically struggle because the more people you help, the more people are willing to help you.  

You can finance the purchase of an investment property in an IRA, but you must use a non-recourse loan, which typically requires a 30-40% down payment.