A nice but rental quality unit gets 1500-1650 regularly in that area depending on the size and finishes.

It'd definitely support your rental business if you have an aesthetically pleasing property.

Also, where can I buy low cost blinds that are decent quality? 

Yes, prices are high, but there is good potential for appreciation, and tenants are generally reliable and high quality. 

You get so much wealth and start getting older you enjoy the business but focus on quality of life more and memories. 

Then, obtain quotes from at least three actual contractors. ( insurance and all that depending on the work)You'll likely encounter three types of contractors:The Super Expensive Guy: Highly skilled but often in high demand, resulting in premium pricing.The Average Guy: Offers good quality work at a reasonable price.

Our team discussed multiple investment options with him, including new construction homes in nice areas that likely attract better quality tenants.

Even if your GC is decent was able to get your job done in 100 days, if it doesn't resemble the comps in quality then your 300k exit is now 270k and with all the exit costs and holding costs your 40k expect profit is now under 10k. 

Other qualities are being a member of National Notary Association.

Your biggest problems here are going to be how to properly qualify someone, what to do if someone stops paying, footing the bill if you have a big repair item, finding quality and reasonable vendors/contractors to fix things, and keeping track of payments.If this isn't you, give me some more context of where you're at and I can give some better insights.