@Marcel K. that's a really broad question and really depends on the strengths and weaknesses of your particular market, skillset, and knowledge. 

If they say these are an extra financial  burden then they are already in poor financial strength and I don't want them as a tenant.

That spread has recently been 2.30-3.00% depending on the bank and strength of the deal.

Analysis:Rental of Other Property Not Securing the VA Loan Rental income verified as stable and reliable may be included in effective income.If there is little or no prior rental history onthe property, make a determination based on review of: documentation of the applicant’s prior experience managing rental units or other background involving both property maintenance and rental any leases on the property, and the strength of the local rental market.

In your case, you should be able to because I am sure you dont have a separate bill under a partnership name or partnership is not earning interest in its own bank account and so forth.But your argument loses some strength where it is clear that the investors have jointly negotiated the terms of the transactions and would be unable to separately use their interests in the property without significant cooperation and joint efforts among the co-owners.

While the 2017 housing market was marked by renewed optimism fueled by stock market strength, higher wages and a competitive environment for home sales, 2018 delivered a more seasoned prudence toward residential real estate.

The lawyer knows he can stall for time, wait for you to make a mistake ect, he is the strength.

Scenario: $1,000,000 List priceBuyer #1:offers $960,000 submitted with a qualification letter for the same $960,000 with $5,000 scribbled in the deposit line of offerBuyer #2:offers $955,000 submitted with a qualification letter for $1,213,700 (odd number is for a reason) with a $40,000 Good Faith check or Escrow Letter Most sellers and listing realtors would go with Offer #2, where the buyer is negotiating from a Position of Strength, backed up with a substantial Deposit showing they are a serious and capable buyer.

Commercial is a different beast and from location to location, the strength of that market differs greatly.

The strength of your ad is going to depend on picture quality and description.