What costs/fees should I look out for?

Commercial buildings use triple net , and those costs get passed on to the tenants thru CAM fees . 

Quote from @Mary Jo Carruthers: Fees for buyers side has never been set in stone.

These platforms typically have billing policies where you pay a per unit fee per month to the software and you get regular updates and support each month.There are a number of low-cost platforms available that are able to offer you a lower price by passing along some of the costs to your tenants (payment processing fees, applications, tenant screening, etc).

Additionally, the presence of POHs vs TOHs introduces further operational complexities and elevates overall costs due to increased maintenance and management responsibilities.However, without detailed information regarding the specific septic system configuration (gravity, pressure distribution, mound, cluster, etc.) as well as the system's age, historical performance, and required maintenance frequency, it is challenging to derive a precise expense ratio.

I do not think it would cost too much to tone it down howeverI got a $10k quote (minus fees) from an interior decorator recently to redesign.

Agent fee's etc. for cost of selling is a drop in the bucket compared to the returns. 

By and large, QI's have very high ethical standards, and are sometimes overlooked as the engines of this tax saving tactic.]REPUTATION MARKERS 📊INDUSTRY STANDINGMembership in professional organizationsLeadership roles in FEAEducational contributions to the industryRelationships with major title companiesCLIENT RELATIONSHIPS 👥Testimonials from CPAs and attorneysReferences from title companiesLong-term client relationshipsTransparent fee structuresRELATIONSHIP RED FLAGS 🚩Overly familiar with your realtor/brokerKickback arrangements (illegal!)

Has anybody dealt with Investors Edge and gotten 100% financing after paying $3995 membership fee?

Let's use that as an example. 20% down is $43,000 plus lender loan origination fees, closing costs etc is going to push you over $50,000 cash out of pocket.