Yes, you will have to put in the time and effort but frankly, even if this diverted you for a year from your purchase goal I think it will make you a much wiser investor when the time does come. 

A potential benefit of doing this is forging a relationship with a commercial agent, so it could help finding deals in the future.

Cash is king and in most cases is the best option for seller’s to expect.The one thing I can say that has worked for me and my client is having your realtor build a good relationship with the selling agent and being able to tell your story and maybe just maybe that will get them to go with your offer.

Many hard/private money lenders overlook that and some even lend with no skin in the game, although not common without a prior relationship and or track record.3.

None, my purchases don’t come from websites but from contacts and relationships in the field.

If I'm planning to do multiple deals in the future, does a local relationship provide better rates in the long run.

There is discussion here and on the podcast addressing the pros and cons of having the relationship of landlord while also living on site.

Year 1 Lock down first investment propertyRent out current unit Develop relationships with contractors and establish remodel teamLocate hard money lenders and qualified investors in local marketMaster competitive market analysis and find opportunities Look at 5 properties a day to determine marketability Convert 2BR/2Bth unit into 3/2there are more but these are most important to me right now. 

Send a very simple notice:Dear X,Due to the termination of our relationship, I can no longer afford to keep the home.

I probably value my time to much tbh.Fourth My Relationships the sum is greater then individual parts I couldn't be where I am at 23 with out my mentors and friends that have lifted me up along the way.Fifth My Knowledge Its one of two things no one can take from me and can recreate the success I may lose in the future.I believe that the last three are the most basic components to building real wealth but with out the first two there is no reason to push and grow all success would fill dead and hollow.Your turn guys!