The top realtor will do all the above and understand their client's skill level and financial situation and break down deals that best fit their client's needs.  

You can either give notice or increase the rent or both.As far as negotiation strategies you have to rely on your agent; hopefully you have picked a top producer, who has the skills to do that.

Many of the best value add opportunities may not qualify for FHA financing.

I understand the guidelines to qualify for delayed financing for permanent residents but I wanted to find out if there is a delayed financing program for foreign investors.Is there someone I can talk to for such program?

I'm thinking of also asking him to provide building maintenance pro-bono for any small maintenance issue (handyman worthy) that arises on the property and which he is capable and/or qualified of doing.

My credit score is 685, our W-2 and small business income is great, we don't qualify for FHA because we currently have one (home under an FHA mortgage) that we intend to keep as a rental. 

Home Possible not only has minimum income requirements to qualify for the loan (with DTI), they also have income CAPS which LIMIT the amount of income you CAN make in order to qualify for the program. 

There is a new 20% pass through deduction you may qualify for that could help you, but not everyone qualifies.

I don’t qualify for an FHA or regular conventional loan due to the fact that I did a short sale in 2016 so I was asking him about doing a hard money loan.

. $120k, but would like to do $75k down and keep about $45k for remodel unless we can finance itSource of down payment funds, if applicable: current home proceedsIncome Source: Salaried plus commissions/bonus - but both wife and I have to qualify with base pay only since we do not have two years at current employers.FICO: ExcellentI think seller financing the whole thing is too risky to us (seller wants $100k down and balloon in 5 years).