Their concern is more than valid.

Or is your concern about cash flow related to your lender?

If experience is your concern, you can easily partner up with another experienced investor in your area to help balance the risk out. 

So, what does this leave the part time investor?  

Budget these carefully into your overall project plan to avoid surprises.Rehab Budget: Ensure that bids are received from multiple contractors and that adequate reserves are made for cost overruns.ARV: Be conservative on your ARV since the appraisal concerns one person’s opinion.

Beyond immediate safety concerns, the long-term financial implications, including taxes, are a pressing issue for those impacted by the disaster.

If you ever want to have a discussion to explore your options or ask any questions about the concerns you mentioned, I would be happy to help! 

However, he asked me to sign a one-year Exclusive Right to Represent agreement, as presented to him by his brokerage.His interpretation is that it applies only when he materially assists me, but I think the boilerplate brokerage language he was given reads much more broadly:"If during the term of this Agreement Buyer enters into a contract for the purchase of Property through the services or efforts of the Broker or Buyer’s Brokerage Firm, or by or through any other persons during the term of this Agreement" (emphasis mine).My concern is that, under my interpretation, if a fellow real estate investor wants to unload a property or if I get pointed to an opportunity by a former agent, colleague, or friend, this agreement could create an obstacle to moving forward with the deal.In the end, I didn’t sign.

What are you most concerned about?

If it was long term yeah you can make it clear upfront as a take it or leave it.