Having said that:This property is listed as a 3BR in Lawrence, IN, but was once a 4BR so the ARV is boosted to reflect the extra bedroom.

I don’t do this for everyone, but sometimes I feel like some guests need that extra attention.

The rent covers PITI and utilities with a little extra built in to cover anything over the average utility usage.

He has already verbally accepted, but I'm wondering if it's worth to go the extra step?

I don't know the group so can't comment, but the first rule to earn credibility on the internet and THIS site is to have a profile pic and enough posts for someone to gauge your intent.

Maybe an extra $150 per month?

On top of that you can earn additional income selling properties.

On your homeowner financing loan alternatives is to show them the math on paper that shows them the extra profit and the possible tax liability spread out for several periods instead of showing they will and have to report it all in the next year end tax preparation and the savings that they might get. 

I want to start getting into real estate as to make some extra money apart from my full time job?

We would be depending on the rental income to pay most of the mortgage/taxes/insurance, but are concerned that Galveston may be too saturated with similar properties and that we might have a hard time getting enough renters to earn that income.We'd love to hear from others in the area who host STR property.