Then once it's acquired and/or fixed up you could shop around for long term financing if planning on holding the property rather than flipping it. 

They will save you time and money. 

You can save up before you make the transition, but usually that money has to be used in the real estate business.

However, the fact that your tenant intends to pay $800 through the app while their rent is $1,200 raises questions, it’s worth clarifying whether they plan to pay the remaining $400 separately and how that affects both of you.Before signing up, consider reviewing the app’s terms, checking online reviews, and confirming how quickly payments are processed to your account.

Since you already own the land, you’re saving on a significant expense that often makes mobile home rentals so attractive.

Cost to wait is maybe save couple grand on zoning attorney but could potentially make that up by earning some rent earlier (vs. unused space). 

If you plan to invest in Vegas, phoenix or any of the same kind of markets you really need to ignore the general examples given for maintenance, capex and such.

If you have a chunk of $ saved up, you're ahead of most and you CAN invest that into RE – I've done it!

Also, make sure that they have money in their accounts in case things don't go as planned.

At this point I am reading books, saving money, and looking to make relationships in the investment community.