There is probably a component of landscaping that was done incorrectly around the garage creating a flooding scenario.

Some of the groups cost money to join, because they include a training component, for those with no prior experience.

A lot of times to get an acceptable rent/price ratio these days in this market, you'll be looking at a value add component, welcome to real estate! 

My husband and I have recently purchased our first home and investment property using an FHA backed loan with a 203k rehabilitation loan component.  

How much more can I expect to spend on the other components of finding leads through a website?

I do this for any vendor I use each year, as I carry workmens comp on my properties for myself and workers I know aren't covered themselves. but if I can prove my vendors have insurance when I'm audited, so my insurance agency compute rates in my favor, because vendors had their own coverageAs far as lien waivers, it's good practice to have anyone that worked on the house sign they have been paid and a lien waiver is used for that. 

Another important point for Engineered Certification & Foundations For Manufactured HomesAdding a retrofit doesn't mean the existing components are removed (above).

How old are the various components on the house, what are their remaining functional life span, and figure out the costs for them.

They are one of the main components in the changes we see in the housing industry, and will continue to be for years to come.

@Drew McLaren  there is some exponential component on larger loans as you state howeverhere is how I looked at it over the 30 years of loaning hard money.IF your in a foreclosure situation.. the value of your collateral is generally not what it was when you started the loan..